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Grace has a scale of 3 cm as 90 miles on a map. If the distance between the two cities are 10 cm apart on the map, how many miles are they apart?

Respuesta :

Diatonic254

300 miles

Step-by-step explanation:

3 cm : 90 miles

What about.,.

10 cm : ? (x) miles

We cross-multiply the ratios;

10 * 90 = 3 * x

900 / 3 =  x

X = 300 miles

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