Warren saved $8 each day and Jaslyn saved $
e more than Warren each day. After 3 weeks, they were still short of $31 to buy a printer.
- How much did the printer cost? Express your answer in terms of e.
- If e = $16, how much did the printer cost?
(a)
Amount Warren saved per day = $8
Amount Jaslyn saved per day = $(8 +
e)
Total amount both saved per day
= 8 + 8 +
e = $(16 +
e)
Number of days in 3 weeks
= 3 x 7
= 21
Total both saved in 3 weeks
= 21(16 +
e)
= 21 x 16 + 21 x
e = $(336 + 21
e)
Cost of the printer
= 336 + 21
e + 31
= 336 + 31 + 21
e= $(367 + 21
e)
(b)
If
e = $16,
Cost of the printer
= 367 + 21 x 16
= 367 + 336
= $703
Answer(s): (a) $(367 + 21
e) or $(21
e + 367); (b) $703