Download Lesson 4.3 Real-World Problems: Ratios

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Name:
Date:
Lesson 4.3
Real-World Problems: Ratios
Solve. Show your work.
1. A group students surveyed chose baseball and soccer as their favorite
sport in the ratio 3 : 8.
a)
If 132 students were surveyed, find the number of students that
chose soccer as their favorite sport.
b)
If 56 students chose soccer as their favorite sport, find the number
of students that chose baseball as their favorite sport.
© Marshall Cavendish International (Singapore) Private Limited.
2. Lily is making granola. She uses almonds, walnuts, and pecans in the
ratio 4 : 3 : 8. Lily uses 40 ounces of pecans.
a)
Find the weight of the walnuts.
b)
Find the total weight of the granola.
3. Adam, Ming, and Clinton sold sandwiches in the ratio 4 : 7 : 3 to raise
money for their Scout troop. Ming sold 91 sandwiches. How many
sandwiches did the three boys sell altogether?
Extra Practice Course 1A
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Name: Date: 4. The ratio of the amount of money Jason had to the amount of money
Wilson had was 12 : 13. After Wilson spent $63, Jason had 3 times as
much money as Wilson.
a)
How much money did Jason have?
b)
How much money did they have altogether in the end?
6. At a banquet, the ratio of the number of boys to the number of girls is 5 : 3.
Halfway through the banquet, 20 boys leave and the ratio becomes 5 : 4.
How many girls are at the banquet?
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© Marshall Cavendish International (Singapore) Private Limited.
5. Gina has a box of red, blue, and green markers. The ratio of the number of
red markers to the number of blue markers is 5 : 2. The ratio of the number
of blue markers to the number of green markers is 3 : 5. What is the ratio of
the number of red markers to the number of green markers?
Chapter 4 Lesson 4.3
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