比与单位率基础测验（含答案）

Question 1

把 $7$ 只猫与 $4$ 只狗的比写成分数形式（猫:狗）。

Accepted Answer

$\frac{7}{4}$

Answer

$\frac{11}{4}$

Answer

$\frac{7}{11}$

Answer

$\frac{4}{7}$

Question 2

一包 8 支记号笔售价 12 美元。每支的单价是多少？

Accepted Answer

$\$1.50$ per marker

Answer

$\$0.67$ per marker

Answer

$\$2$ per marker

Answer

$\$96$ per marker

Question 3

你用 8.75 美元买了 5 磅苹果。单位率（每磅的费用）是多少？

Accepted Answer

$\$1.75$ per pound

Answer

$\$2.50$ per pound

Answer

$\$0.57$ per pound

Answer

$\$43.75$ per pound

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