Cathy saved $4 in Week 1. She saved $8 in Week 2 and $12 in Week 3. She continued saving in this pattern.
- In which week did she save $28?
- How much would she save in Week 9?
(a)
The week that Cathy saved $28
= 28 ÷ 4
= 7
(b)
Amount that Cathy saved in Week 9
= 9 x 4
= $36
Answer(s): (a) 7; (b) $36