Unit 4, Lesson 9
Part of a Percent
Grade 7
Practice
Problem 1
The student government snack shop sold 32 items this week. For each snack type, what percentage of all snacks sold were of that type?
| snack type | number of items sold |
|---|---|
| fruit cup | 8 |
| veggie sticks | 6 |
| chips | 14 |
| water | 4 |
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Problem 2
Select all the options that have the same value as \(3\frac12\%\) of 20.
3.5% of 20
\(3\frac12 \boldcdot 20\)
\((0.35) \boldcdot 20\)
\((0.035) \boldcdot 20\)
7% of 10
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Problem 3
22% of 65 is 14.3. What is 22.6% of 65? Explain your reasoning.
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Problem 4
A construction company used 30% more nails and screws this month than last month. If the company used 560 pounds of nails and screws last month, how much did it use this month?
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Problem 5
Match each situation to a diagram. The diagrams can be used more than once.
The amount of apples this year decreased by 15% compared with last year's amount.
The amount of pears this year is 85% of last year's amount.
The amount of cherries this year increased by 15% compared with last year's amount.
A certain type of car has room for 4 passengers.
- Write an equation relating the number of cars (\(n\)) to the number of passengers (\(p\)).
- How many passengers could fit in 78 cars?
- How many cars would be needed to fit 78 passengers?
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