A toy train is built with the ratio of the model to the real of 1:30. If the real train is supposed to be 55 feet long, how many inches is the toy train?

The answer to your question is 20 in

Step-by-step explanation:

Data

ratio  1 : 30

real length = 55 ft

toy train length = ?

Process

1.- Use ratio and proportions to solve this problem.

                           1 : 30 :: x : 55

solve

                           x = (55 x 1) / 33

Simplification

                           x = 55/33

result

                           x = 1.67 ft

2.- Convert the length to in

                         1 ft 12 in

                        1.67 ft   x

                          x = (1.67 x 12) / 1

-Simplification

                          x = 20/1

-Result

                           x = 20 in

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5