Asked by Cath

A shop sells only red,blue, and green T-shirts.The colours are in the ratio of 3:4:5.The shop has 20blue T-shirts.
How many T-shirt s does it have altogether?

Answers

Answered by Reiny
Let the number of red, blue, and green shirts be 3x, 4x, and 5x respectively.
you are given that 4x = 20

find x, then sub into my definitions to find the number of each. Easy to find their sum.
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