Joelle saved $9 in Week 1. She saved $18 in Week 2 and $27 in Week 3. She continued saving in this pattern.
- In which week did she save $99?
- How much would she save in Week 18?
(a)
The week that Joelle saved $99
= 99 ÷ 9
= 11
(b)
Amount that Joelle saved in Week 18
= 18 x 9
= $162
Answer(s): (a) 11; (b) $162