Mary saved $11 in Week 1. She saved $22 in Week 2 and $33 in Week 3. She continued saving in this pattern.
- In which week did she save $165?
- How much would she save in Week 18?
(a)
The week that Mary saved $165
= 165 ÷ 11
= 15
(b)
Amount that Mary saved in Week 18
= 18 x 11
= $198
Answer(s): (a) 15; (b) $198