Question

charlie is driving his motorhome. it uses 3 gallons of gas for every 21 miles he travels. complete the table below showing the number of gallons used and the distance traveled. number of gallons 3 7 10 distance (miles) 21 42 63

Explanation:

Step1: Find miles per gallon

$\text{Miles per gallon} = \frac{21}{3} = 7$ miles/gallon

Step2: Calculate gallons for 42 miles

$\text{Gallons} = \frac{42}{7} = 6$

Step3: Calculate miles for 7 gallons

$\text{Miles} = 7 \times 7 = 49$

Step4: Calculate gallons for 63 miles

$\text{Gallons} = \frac{63}{7} = 9$

Step5: Calculate miles for 10 gallons

$\text{Miles} = 10 \times 7 = 70$

Answer:

Number of gallons	3	6	7	9	10