Clothing store A sells T-shirts in only three colours: red, blue and green. The colours are in the ratio of 3 to 4 to 5. If the store has 20 blue T-shirts, how many T-shirts does it have altogether?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

Let x be the number of red T-shirts 

And, y be the number of green T-shirts

Given: Red : Blue : Green = 3 : 4 : 5, therefore

 

Thus, Total number of T-shirts = 15 + 25 + 20 = 60 

Answered by  | 4th Jun, 2014, 03:23: PM