Question
Betty and Kylie went shopping. After Betty spent $77a, Kylie had 3 times as much as Betty. If Betty had $28a more than Kylie at first,
  1. Express the amount of money that Betty had at first in terms of a.
  2. If a = 10, find the amount of money that the two lady had left after shopping.
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Betty and Kylie went shopping. After Betty spent $77a, Kylie had 3 times as much as Betty. If Betty had $28a more than Kylie at first,
  1. Express the amount of money that Betty had at first in terms of a.
  2. If a = 10, find the amount of money that the two lady had left after shopping.