Question
One stamp costs $i. One pen costs $(i + 15). One magazine costs $5i.
  1. Valen bought 4 stamps, 3 pens and 1 magazine. How much did he spend? Simplify your answer in terms of i.
  2. If i = 7, how much did Valen spend altogether?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

One stamp costs $i. One pen costs $(i + 15). One magazine costs $5i.
  1. Valen bought 4 stamps, 3 pens and 1 magazine. How much did he spend? Simplify your answer in terms of i.
  2. If i = 7, how much did Valen spend altogether?