Answer:
4x = 44 which is Carolyn's share.
Step-by-step explanation:
Equation
Use a variable to find out how the sum of the ratios would be divided up to make 77 dollars.
4x + 2x + x = 77 Combine like terms on the left
Solution
7x = 77 Divide by 7
7x/7 = 77/7 Do the division
x = 11
Answer
4*11 = 44 which is Carolyn's share
2*11 = 22 which is Julia's Share
1*11 = 11 which is Roberta's share.
