SOLUTION: A certain shade of green if formed by mixing 3 parts blue to 2 parts yellow. How many ounces of yellow are needed to make 37 ounces of this green? Round to the nearest tenth of a

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Question 758112: A certain shade of green if formed by mixing 3 parts blue to 2 parts yellow. How many ounces of yellow are needed to make 37 ounces of this green? Round to the nearest tenth of an ounce.
I've done this a number of ways and not sure if I did it correctly or if I got the right answer. Here's what I got: 6.2 ounces.
Thank you for your help.
Found 2 solutions by josgarithmetic, Cromlix:
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
The ratio given uses 5 total parts. The 37 ounces of this green would be imagined as 5 parts to make the whole 37 ounces. Do the calculating first, and the rounding afterwards.

%283%2F5%29%2A37=highlight%2822.2%29 ounces blue
and
%282%2F5%29%2A37=highlight%2814.8%29 ounces yellow

Rounding was not necessary.

Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Ratio question.
3:2
Totalise = 5
3/5 x 37 = 22.2ozs
2/5 x 37 = 14.8ozs
Total 37ozs
Hope this helps.
:-)