Question
Xuan saved some of her school pocket money for 4 days. She saved $10 on the first day. For the remaining 3 days, she saved $0.20 more than the previous day.
  1. How much money did she save in 4 days?
  2. Xuan then spent all her savings on 2 identical files. How much did each file cost?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Xuan saved some of her school pocket money for 4 days. She saved $10 on the first day. For the remaining 3 days, she saved $0.20 more than the previous day.
  1. How much money did she save in 4 days?
  2. Xuan then spent all her savings on 2 identical files. How much did each file cost?