SOLUTION: mark decides to but 15 liters of blue paint. He still wants to mix blue paint and yellow paint in the ratio of 2:3 to make green paint. how many of liters of yellow paint should he

Question 564113: mark decides to but 15 liters of blue paint. He still wants to mix blue paint and yellow paint in the ratio of 2:3 to make green paint. how many of liters of yellow paint should he but and how many liters of green paint he can make? use mathematical reasoning to justify your answer
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
( liters of blue paint ) / ( liters of yellow paint ) = 2/3
Let = liters of yellow paint needed
given:
He has liters of blue paint
------------

Multiply both sides by

He should buy 22.5 liters of yellow paint
He can make liters of green paint
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