Question

Isabelle is mixing red paint with blue paint to make purple paint. She adds 3/10 of a fluid ounce of red to 11/15 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple. How many fluid ounces of red paint will she need to make 3 fluid ounces of purple paint?
A.
2/5 fluid ounce
B.
11/20 fluid ounce
C.
27/31 fluid ounce
D.
1 13/50 fluid ounces

Answer 1

Answer:

27/31

Step-by-step explanation:

Red1 = X

purple1 = 3

Red2 = 3/10

purple2 = 31/30

• x/3 = 3/10 divided by 31/30
• x/3= 3/10 * 30 /31 = 9/31
• x= 9/31 *3=27/31

Answer 2

Answer:

C. 27/31

Step-by-step explanation: