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Daniel Math Academy · Grade 7 Math

Write & Solve Equations for Proportional Relationships

Skill E.8 · Ratios & proportions · ★★☆ Medium · Quarter 3

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Write an equation, then answer the question.

1. 1
   Apples cost $\text{\$}2.50$ per pound. Use $c$ for the cost in dollars and $p$ for pounds. What do $12$ pounds cost?
2. 2
   Ben walks $2$ miles per hour. Use $d$ for miles and $t$ for hours. How far does he walk in $3$ hours?
3. 3
   A recipe uses $\frac{1}{2}$ cup of sugar per batch of muffins. Use $s$ for cups of sugar and $b$ for batches. How much sugar do $5$ batches need?
4. 4
   A recipe uses $\frac{1}{3}$ cup of sugar per batch of muffins. Use $s$ for cups of sugar and $b$ for batches. How much sugar do $4$ batches need?

Daniel Math Academy · Grade 7 Math

Answer Key

E.8 Write & Solve Equations for Proportional Relationships · ★★☆ Medium

1. 1$c=2.5p$; $\text{\$}30.00$
2. 2$d=2t$; $6$ miles
3. 3$s=\frac{1}{2}b$; $2\frac{1}{2}$ cups
4. 4$s=\frac{1}{3}b$; $1\frac{1}{3}$ cups