Abby jumped the rope 7 more times than Cici. The sum of their jumps is 21.
Answer the following questions about Abby and Cici.
A. Write an algebraic expression for how many jumps each girl took. The algebraic expressions should show how the jumps of each girl are related.
Abby
Cic
B. Write an algebraic equation for the sum of jumps that the girls took.
C. Use the replacement set {0, 7, 14, 21}. Find the solution set for your equation. Show all work to find the
D. How many times did each girl jump? Remember to label your answers.