TSI /
MATH
/ /
PLACEMENT
/ /
STUDY GUIDE QUESTIONS WITH ANSWERS
/ // // // // //
One /
/third /
/of /
/the /
/candidates /
/for //
a/
/job /
/were /
/25 /
/years /
/old /
/or /
/younger. /
/Two /
/sevenths /
/of /
/the /
/candidates /
/were /
/at /
/least /
/50 /
/years /
/old. /
/If /
/84 /
/people /
/applied /
,/for //the //job, //how //many //were //between //25 //and //50? //- //CORRECT //ANSWERS(S)✔✔One //third
//of /
/84 /
/is /
/84 //
×/
/1/3 //
=/
/84÷3 //
=/
/28. /
/28 /
/people /
/25 //years //old //or //younger //applied //for //the //job. //Two //seventh //of //84 //is //84 //× //2/7= //2×84÷7 //=
//24.
24 //people //who //were //at //least //50 //years //old //applied //for //the //job. //84 //- //28 //- //24 //= //32. //
32 //people //applied //for //the //job //who //were //between //25 //and //50.
Which /
/of /
/the /
/following /
/is //
a/
/factor /
/of /
/450 /
/and /
/multiple /
/of /
/25? //- /
/CORRECT /
/ANSWERS(S)✔✔It /
/can /
/be /
/confirmed /
,/by /
/division /
/that /
/(a), /
/(b) //and //(c) //are //factors //of //450, //while //100 //is //not. //The //multiples //of //25 //are //25, //50, //75,....
// 75 //is //both //a //factor //of //450 //and //multiple //of //25.
The /
/formula //h //- //15 //= //3.2t //gives //the //height //h //in //inches //of //a //plant //t //weeks //after //planting.
Which /
/is /
/the /
/rate /
/at /
/which /
/the /
/plant's /
/height /
/is /
/increasing? //- /
/CORRECT /
/ANSWERS(S)✔✔h /
/=15 //
+/
/3.2t /
/gives /
/the //height //of //a //shrub //in //inches //after //t //weeks. //When //planting //occurs //the //height //is //15 //+
//3.2× //0 //= //15 //inches
After //one //week //the //height //is //15 //+ //3.2× //1 //= //18.2 //inches
The //rate //at //which //the //height //increases //is //18.2 //- //15 //= //3.2 //inches
the //formula //h-15 //=3.2t //gives //the //height //h //inches //of //a //plant //t //weeks //after //planting //
how /
/high /
, /was /
/the /
/initial /
/height /
/of /
/the /
/shrub //- /
/CORRECT //ANSWERS(S)✔✔nitial //me //ans //at //the //beginning. //At //the //beginning //t //is //0. //h //=15
//+ /
/3.2t /
/gives /
/the //height //of //a //shrub //in //inches //after //t //weeks. //When //planting //occurs //the //height //is //15 //+
//3.2× //0 //= //15 //inches
The //formula //h //-
15 //= //3.2t //gives //the //height //h //in //inches //of //a //plant //t //weeks //after //planting.
When /
/was /
/the /
/height /
/31 /
/inches? //- /
/CORRECT /
/ANSWERS(S)✔✔h /
/=15 //
+/
/3.2t /
/gives /
/the //height //of //a //shrub //in //inches //after //t //weeks. //When //the //height //is //31 //inches //31 //= //15 //+
//3.2t
3.2t //= //16
t //= //16÷3.2
t //= //5
The //height //is //31 //inches //after //5 //weeks
MATH
/ /
PLACEMENT
/ /
STUDY GUIDE QUESTIONS WITH ANSWERS
/ // // // // //
One /
/third /
/of /
/the /
/candidates /
/for //
a/
/job /
/were /
/25 /
/years /
/old /
/or /
/younger. /
/Two /
/sevenths /
/of /
/the /
/candidates /
/were /
/at /
/least /
/50 /
/years /
/old. /
/If /
/84 /
/people /
/applied /
,/for //the //job, //how //many //were //between //25 //and //50? //- //CORRECT //ANSWERS(S)✔✔One //third
//of /
/84 /
/is /
/84 //
×/
/1/3 //
=/
/84÷3 //
=/
/28. /
/28 /
/people /
/25 //years //old //or //younger //applied //for //the //job. //Two //seventh //of //84 //is //84 //× //2/7= //2×84÷7 //=
//24.
24 //people //who //were //at //least //50 //years //old //applied //for //the //job. //84 //- //28 //- //24 //= //32. //
32 //people //applied //for //the //job //who //were //between //25 //and //50.
Which /
/of /
/the /
/following /
/is //
a/
/factor /
/of /
/450 /
/and /
/multiple /
/of /
/25? //- /
/CORRECT /
/ANSWERS(S)✔✔It /
/can /
/be /
/confirmed /
,/by /
/division /
/that /
/(a), /
/(b) //and //(c) //are //factors //of //450, //while //100 //is //not. //The //multiples //of //25 //are //25, //50, //75,....
// 75 //is //both //a //factor //of //450 //and //multiple //of //25.
The /
/formula //h //- //15 //= //3.2t //gives //the //height //h //in //inches //of //a //plant //t //weeks //after //planting.
Which /
/is /
/the /
/rate /
/at /
/which /
/the /
/plant's /
/height /
/is /
/increasing? //- /
/CORRECT /
/ANSWERS(S)✔✔h /
/=15 //
+/
/3.2t /
/gives /
/the //height //of //a //shrub //in //inches //after //t //weeks. //When //planting //occurs //the //height //is //15 //+
//3.2× //0 //= //15 //inches
After //one //week //the //height //is //15 //+ //3.2× //1 //= //18.2 //inches
The //rate //at //which //the //height //increases //is //18.2 //- //15 //= //3.2 //inches
the //formula //h-15 //=3.2t //gives //the //height //h //inches //of //a //plant //t //weeks //after //planting //
how /
/high /
, /was /
/the /
/initial /
/height /
/of /
/the /
/shrub //- /
/CORRECT //ANSWERS(S)✔✔nitial //me //ans //at //the //beginning. //At //the //beginning //t //is //0. //h //=15
//+ /
/3.2t /
/gives /
/the //height //of //a //shrub //in //inches //after //t //weeks. //When //planting //occurs //the //height //is //15 //+
//3.2× //0 //= //15 //inches
The //formula //h //-
15 //= //3.2t //gives //the //height //h //in //inches //of //a //plant //t //weeks //after //planting.
When /
/was /
/the /
/height /
/31 /
/inches? //- /
/CORRECT /
/ANSWERS(S)✔✔h /
/=15 //
+/
/3.2t /
/gives /
/the //height //of //a //shrub //in //inches //after //t //weeks. //When //the //height //is //31 //inches //31 //= //15 //+
//3.2t
3.2t //= //16
t //= //16÷3.2
t //= //5
The //height //is //31 //inches //after //5 //weeks
