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## excive Amanda drove 225 miles using 8 gallons of gas. At this rate, how many gallons of gas would she need to drive 315 miles? one year ago one year ago

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1. ash2326

$\text{225 miles} \longrightarrow \text{8 gallons for gas}$ $\text{For 1 mile} \longrightarrow \frac{8}{225}\text{ gallons for gas}$ $\text{For 315 miles} \longrightarrow \frac{8}{225}\times 315\text{ gallons for gas}$

2. Study23

$$\ \huge \frac{225mi}{8gallons} = \frac{315mi}{x gallons}$$. Solving for x, $$\ \huge 225x=2520$$. Therefore she will need $$\ \huge \frac{2520}{225} = \frac{56}{5} gallons, or 11.2 gallons$$.