Page 173 - Math Course 1 (Book 1)

Inequalities: Multiplication and Division

x r
7. 5 > 8. < -4
-2 -3

-12 -11 -10 -9 -8 10 11 12 13 14

y
9. -10t > 200 10. < 2
7

-22 -21 -20 -19 -18 12 13 14 15 16

TRAVEL
To get to the beach for vacation, Cheng’s family must drive at least 660 miles on the f rst day. They are
traveling at a constant speed of 60 miles per hour.
a. Write an inequality to represent how long the family should drive on the f rst day.
b. How many hours should the family drive?

EARNINGS
Jess receives $180 for every garage he paints over the summer. He wants to save at least $1620 for college.
a. Write an inequality to represent how many garages Jess should paint over the summer.
b. How many garages should Jess paint?

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