Tina saved $7 in Week 1. She saved $14 in Week 2 and $21 in Week 3. She continued saving in this pattern.
- In which week did she save $105?
- How much would she save in Week 13?
(a)
The week that Tina saved $105
= 105 ÷ 7
= 15
(b)
Amount that Tina saved in Week 13
= 13 x 7
= $91
Answer(s): (a) 15; (b) $91