Daniel received $2 from his mother in the 1st week of school and $8 in the 2nd week. Each week, he receives $6 more than the week before.
- How much money did he received in the 15th week?
- In which week did he receive $26?
(a)
Amount that Daniel received on 1st Week = $2
Amount that Daniel received on 2nd Week = $14
Formula:
Amount received each week = 2 + (Week number - 1) x $6
Amount received on Week 15
= 2 + (15 - 1) x 6
= 2 + 14 x 6
= 2 + 84
= $86
(b)
Week number that Daniel received $26
= [(26 - 2) ÷ 6] + 1
= (24 ÷ 6) + 1
= 4 + 1
= 5
Answer(s): (a) $86; (b) 5