A train travels 16 miles in 20 minutes. At this rate, how many minutes will it take to travel 12 miles?

Answer 1

16 miles = 12 miles

20 mins. how many mins?

16 = 12 cross multiply 16? = 240 divide by 16 240 divided by 16 = 15 miles

20 ? because 15 x 16 = 240

Answer 2

miles ----------- minutes

16 ------------------- 20

8 --------------------- 10

4 --------------------- 5

1 --------------------- 1.25

12 ------------------- 15

or

¹²/₁₆ of 20 = ³/₄ of 20 = ³/₄ x ²⁰/₁ = 15