Percents And Probability Worksheet With Answers - Lesson 12-19 Page 25
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49sOlving Percents using PrOPOrtiOns
Lesson 16
exPlOre!
FlOOring sale
Leo’s Flooring Company is having a sale. When a customer buys fl ooring for a room, they will get 30% of
the fl ooring for free.
step 1: Yolanda wants to carpet her bedroom. It is 10 feet by 10 feet. She needs to know how many
square feet of fl ooring she will get for free.
a. Draw a 10 by 10 grid on grid paper to represent Yolanda’s bedroom.
b. How many square feet are in Yolanda’s bedroom?
c. Shade in squares to represent the number of square feet you think Yolanda will get for free.
How did you determine your answer?
step 2: Yolanda wants hardwood fl oors for her kitchen. Her kitchen is only 6 feet by 10 feet.
a. Draw a 6 by 10 grid on grid paper to represent Yolanda’s kitchen.
b. How many square feet are in Yolanda’s kitchen?
c. She will get 30% of the square feet for free. Let x represent the number of square feet she will
30
___
get for free. Write and solve a proportion using the ratio
to represent 30%.
100
30
= x __
___
100
60
d. Shade in squares in your grid to represent the number of free square feet of fl ooring Yolanda
will get for the kitchen.
step 3: Yolanda’s bathroom is 5 feet by 8 feet. Draw a grid to
model her bathroom. She wants tile for the bathroom.
Use a proportion to determine how many square feet
of tile she will receive for free. Shade in the free
square footage.
step 4: Hank’s Flooring Company wants to get Yolanda’s
business. Th ey off er a sale where 40% of the fl ooring
is free. Find the number of square feet Yolanda will get
for free in each of her three rooms from Hank’s Company.
step 5: Papa’s Flooring Company gave Yolanda a bid for the tile in her bathroom. Th e
shaded squares represent the fl ooring he will give her for free. What percent of
the fl ooring is Papa’s Flooring company giving away?
step 6: Explain how a proportion can be used to solve a percent problem.
95
Lesson 16 ~ Solving Percents Using Proportions
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