NAME _____________________________________________ DATE ____________________________ PERIOD _____________
Lesson 6 Problem-Solving Practice
Solve Inequalities by Addition or Subtraction
1. DRIVING Louella is driving from Melbourne to 2. MONEY Aimee and Desmond are going to a play this
Pensacola, a distance of more than 500 miles. After evening. Desmond wants to have at least $50 in his
driving 240 miles, Louella stops for lunch. Write and wallet. He currently has $5. Write and solve an
solve an inequality to find how much farther Louella has inequality to find how much more cash Desmond
to drive to reach Pensacola. should put in his wallet.
3. FIELD TRIP There is space for 120 students to go on a 4. MUSIC Rogan is burning a music CD. The CD holds
field trip. Currently, 74 students have signed up. Write at most 70 minutes of music. Rogan has already
and solve an inequality to find how many more students selected 45 minutes of music. Write and solve an
can sign up for the field trip. inequality to find how many more minutes of music
Rogan can select.
5. HOMEWORK Petra must write a report with more than 6. HEIGHT Leslie hopes to be at least 72 inches tall.
1,000 words for her history class. So far, she has written Right now he is 56 inches tall. Write an solve an
684 words. Write and solve an inequality to find how inequality to find how much more Leslie would like
many more words Petra needs to write for her report. to grow.
7. INTERNET Julius is allowed to surf the Internet for only 8. GROCERIES The table shows how much Colleen has
2 spent at the grocery store this week. To stay within
3 hours a week. He has already been online for 1 3 hours
her budget, she can spend only $90 per week on
this week. Write and solve an inequality to find how
groceries. Write and solve an inequality to find how
much more time Julius can spend online this week.
much more Colleen can spend at the grocery store this
week.
Day Amount Spent ($)
Monday 28
Wednesday 39
100 Course 2 • Chapter 6 Equations and Inequalities
Lesson 6 Problem-Solving Practice
Solve Inequalities by Addition or Subtraction
1. DRIVING Louella is driving from Melbourne to 2. MONEY Aimee and Desmond are going to a play this
Pensacola, a distance of more than 500 miles. After evening. Desmond wants to have at least $50 in his
driving 240 miles, Louella stops for lunch. Write and wallet. He currently has $5. Write and solve an
solve an inequality to find how much farther Louella has inequality to find how much more cash Desmond
to drive to reach Pensacola. should put in his wallet.
3. FIELD TRIP There is space for 120 students to go on a 4. MUSIC Rogan is burning a music CD. The CD holds
field trip. Currently, 74 students have signed up. Write at most 70 minutes of music. Rogan has already
and solve an inequality to find how many more students selected 45 minutes of music. Write and solve an
can sign up for the field trip. inequality to find how many more minutes of music
Rogan can select.
5. HOMEWORK Petra must write a report with more than 6. HEIGHT Leslie hopes to be at least 72 inches tall.
1,000 words for her history class. So far, she has written Right now he is 56 inches tall. Write an solve an
684 words. Write and solve an inequality to find how inequality to find how much more Leslie would like
many more words Petra needs to write for her report. to grow.
7. INTERNET Julius is allowed to surf the Internet for only 8. GROCERIES The table shows how much Colleen has
2 spent at the grocery store this week. To stay within
3 hours a week. He has already been online for 1 3 hours
her budget, she can spend only $90 per week on
this week. Write and solve an inequality to find how
groceries. Write and solve an inequality to find how
much more time Julius can spend online this week.
much more Colleen can spend at the grocery store this
week.
Day Amount Spent ($)
Monday 28
Wednesday 39
100 Course 2 • Chapter 6 Equations and Inequalities
