Question

to mix a particular shade of purple paint red paint and blue paint are mixed in the ratio 5 : 3. to make 20 gallons of this shade of purple paint how many gallons of red and blue paint should be used

Answer 1

Yes you must solve for x

Answer 2

Answer: The amount of red paint required =12.5 gallon

The amount of blue paint required =7.5 gallon

Step-by-step explanation:

Given : To mix a particular shade of purple paint red paint and blue paint are mixed in the ratio 5 : 3.

Let 5x be the amount of red paint and 3x be the amount of blue paint.

To make 20 gallons of this shade of purple paint, we have

$5x+3x=20\\\\\Rightarrow\ 8x=20\\\\\Rightarrow\ x=\dfrac{20}{8}=2.5$

Now, the amount of red paint required = 5(2.5)=12.5 gallon

The amount of blue paint required = 3(2.5)=7.5 gallon