Caden saved $11 each day and Opal saved $
t more than Caden each day. After 4 weeks, they were still short of $32 to buy a massage chair.
- How much did the massage chair cost? Express your answer in terms of t.
- If t = $3, how much did the massage chair cost?
(a)
Amount Caden saved per day = $11
Amount Opal saved per day = $(11 +
t)
Total amount both saved per day
= 11 + 11 +
t = $(22 +
t)
Number of days in 4 weeks
= 4 x 7
= 28
Total both saved in 4 weeks
= 28(22 +
t)
= 28 x 22 + 28 x
t = $(616 + 28
t)
Cost of the massage chair
= 616 + 28
t + 32
= 616 + 32 + 28
t= $(648 + 28
t)
(b)
If
t = $3,
Cost of the massage chair
= 648 + 28 x 3
= 648 + 84
= $732
Answer(s): (a) $(648 + 28
t) or $(28
t + 648); (b) $732
