Equivalent Expressions in Context (Grade 7)
Free printable Grade 7 algebra worksheet: rewrite percent increases and decreases as a single multiplier, and combine per-item costs into one term.
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Grade 7 · Math worksheet
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Math
Equivalent Expressions in Context
Rewrite each expression in the form asked for. Equivalent forms describe the same quantity in different ways.
- 1.A price of p dollars increases by 50%. Write the new price as a single multiple of p.
- 2.A price of p dollars decreases by 30%. Write the new price as a single multiple of p.
- 3.A price of p dollars increases by 5%. Write the new price as a single multiple of p.
- 4.A price of p dollars decreases by 40%. Write the new price as a single multiple of p.
- 5.The expression 1.5p gives a new price as a multiple of the original price p. What percent increase does it show?
- 6.The expression 0.7p gives a new price as a multiple of the original price p. What percent decrease does it show?
- 7.The expression 1.15p gives a new price as a multiple of the original price p. What percent increase does it show?
- 8.The expression 0.8p gives a new price as a multiple of the original price p. What percent decrease does it show?
- 9.Each of n friends buys a notebook for $9 and a pen for $2. Rewrite the total cost 9n + 2n as a single term.
- 10.Each of n friends buys a sandwich for $8 and a juice for $9. Rewrite the total cost 8n + 9n as a single term.
- 11.Each of n friends buys a ticket for $2 and a snack for $4. Rewrite the total cost 2n + 4n as a single term.
- 12.Each of n friends buys a plant for $4 and a pot for $5. Rewrite the total cost 4n + 5n as a single term.
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