Solve each problem and explain the method you used.- Regina buys a bag of oranges for $2.88. The average
cost of an orange is $0.12. If nrepresents the number
of oranges in the bag, write and solve an equation
that can be used to find n. - Sarah bought 3 tacos for $0.59 each and 4 burritos
for $0.89 each. Write and evaluate an expression
that tells how much change Sarah would receive
from a $10 bill. - A dozen plums cost $2.40, which is $0.60 less than
a dozen peaches cost. If prepresents the cost of a
dozen peaches, write and solve an equation that
can be used to find p. - Figs cost $2.96 a pound. Kathy bought 3.2 pounds.
Write an expression to estimate the cost of the figs. - Ms. Lake buys some bags of pretzels for the sixth-
grade class picnic. Each bag holds 10.5 oz of
pretzels and all the bags hold about 787.5 oz. of
pretzels. If mrepresents the total number of bags
of pretzels Ms. Lake buys, write and solve an
equation that can be used to find m. - The sale price (SP) is what you pay after deducting
the discount (d) from the regular price (RP). Write
and evaluate a formula to find the sale price of a
jar of peanuts with a
1
3
off discount from the regular
price of $3.75 - Anna shows this series of equations:
a
8
0.5 →ax7.2 →xy 5 →zy1.3.
Solve for the value of z.4-11 Problem-Solving Applications: Mixed Review
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