Define a variable and translate each sentence into an equation or inequality. Then solve.
8) The bill for labor at $13 per hour was at leastt $52.
9) The quotient when dividing by -3 is greater than 5.
10) The 10-km race time of 88 minutes was twice as long as the winner's time.
11) A savings account increased by $50 is now more than $400.
12) Seven times a number is less than 84.\
13) The house sold for $85,000. This is at least four times the original purchase price.
15) b+9< or equal to 16
Define a variable and write an equation or inequality. Then solve.
18) Brisa delivers pizza for Mama's Pizzeria. Her average tip is $1.50 for each pizza that she delivers. How many pizzas must she deliver to earn at least $20 in tips?
a. What is being asked?
b. What does the phrase at least $20 mean?\
c. Write an equation or inequality that describes the problem. Solve.
d. Can your answer be anything other than a whole number? explain.
a. What is being asked
2006-11-13
10:09:37
·
3 answers
·
asked by
C.J. W
3
in
Science & Mathematics
➔ Mathematics