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1. 1. Joan spent Monday
We are simply looking for 2 numbers that when added
and Tuesday shopping.
together, we get 115. Also, one number is 47 more than
She spent a total of
the other. Let x represent the smaller number, then x +
$115. She spent $47
47 would be the larger, so we have the equation:
more on Monday than
x + x + 47 = 115
she did on Tuesday.
How much did she spend on Combine the x with the other x gives:
Tuesday 2x + 47 = 115
? Subtract 47 from both
sides. 2x = 68
a. $68
Divide each side by 2
b. $162
gives: x = 34
c. $34
d. $81
e. $115
2. 2. Mrs. Johnson needs 4 blue She needs a total of 32 x 4 or 128 circles. 6 can be
cut from 1 paper,
paper circles for each so divide 128 by 6 and you get 21 and a small remainder.
stu- dent in her class. Forget the remainder, you KNOW you will have to use 1
She can cut 6 of these more paper for make up for that remainder. The answer
circles from will be 21 + 1 or 22. 21
each piece of blue paper she may look attractive, but where would the little extra
come from?
is using. If there are 32
stu- dents in her class,
how many pieces of blue
paper will she need?
a. 32
b. 10
c. 22
d. 36
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e. 21
3. 3. Bob is stapling
packets for his students.
He can sta-
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ple one complete packet in Multiply 3 x 30 = 90. It will take 90 minutes. But the
answers are
about 3 minutes. About how in hours, 60 minutes to an hour, so the answer must be 1
hour 30
long will it take him to staple minutes.
enough packets for his
class of 30 students?
a. 1 hour 20 minutes
b. 1 hour 30 minutes
c. 2 hours 20 minutes
d. 2 hours 9 minutes
e. 3 hours
4. 4. A certain square You should know that a square has all sides equal.
has an area of 36 Multiply 2 sides together to get the area. Since the sides
square inches. will be the same number,
What is the perimeter of this we are looking for a number multiplied by itself to get
36. The only
square number that satisfies that is 6. ( 6 x 6 = 36). Each side is 6
? inches, therefore the perimeter is 6 + 6 + 6 + 6 = 24
inches.
a. 6
b. 12
c. 18.
d. 24
e. 30
5. 5. Carrson High School has a 4 out of 9 is the fraction 4/9. Multiply 540 x 4, then
divide your
senior class of 540 students are planning to at- tend
students. If 4 out of college, how many are not
every 9 of these planning to attend col- lege?
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a. 240 answer by 9. You get 240. This represents the number of
b. 270 students attending college. (Always reread the question to
make sure you are answering what is asked for.)
The number not attending college would be 540 - 240 = 300.
The answer is c.
You could have also recognized that you need to find 5/9 of
540, solved similarly as above.