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3-47.

Maurice's gas tank can hold $60$ liters of gas. On your paper, copy and label the percent ruler below. Then use it to find how many liters are in the tank when it is: Homework Help ✎

1. $50\%$ full

1. $\frac { 7 } { 10 }$ full

1. $\frac{2}{5}$ full

$50\%$ is equal to one half. What is one half of $60$ liters?

30 L

If you divide $60$ liters into $10$ parts, there will be $6$ liters each. How many liters would there be if you had $7$ of these groups?

This problem is similar to part (b). When you divide $60$ liters into $5$ parts, each part has $12$ liters.