Question

Mr.Roy drew a map of texas on his classroom wall. In the scale Mr.Roy used for the map, 2 inches represents 90 miles. If the Rio Grande is 1890 miles long, what is the length in inches of the Rio Grande on Mr.Roy's map?

Answer 1

Data Input

2 inches represents 90 miles

Rio Grande is 1890 miles long

Procedure

`1890\text{ miles}\cdot\frac{2\text{ inches}}{90\text{ miles}}=42\text{ inches}`

the length in inches of the Rio Grande is 42