Ashley drove 260 miles using 12 gallons of gas. at this rate, how many gallons of gas would she need to drive 286 miles?

She will need 13.2 gallons to drive 286 miles

Step-by-step explanation:

Step 1

Consider the expression below;

T=G×N

where;

T-total miles traveled

G-number of miles per gallon

N=quantity of gas consumed

This can also be expressed as;

Total miles=number of miles per gallon×number of gallons

In our case;

T=260 miles

G=unknown

N=12 gallons

replacing;

260=G×12

12 G=260

G=260/12

G=21.67 miles per gallon

Step 2

Using the same expression;

T=G×N

where;

T=286 miles

G=21.67 miles per gallon

N=unknown

replacing;

286=21.67×N

21.67 N=286

N=286/21.67

N=13.2 gallons

She will need 13.2 gallons to drive 286 miles

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step-by-step explanation:

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