Question

Ally bought a mattress and 4 pillows. The mattress cost $769

more than the 4 pillows. She gave the cashier $1300 and
received $51 change.
How much did each pillow cost?

Answer 1

each pillow costs $120

Answer 2

Cost of each pillow is $120.

Explanation:

Let P denotes cost of each pillow and M denotes cost of mattress.

Then, given cost of mattress is $769

also, Ally gave the cashier $1300 and received $51 change.

Total amount Ally paid = total amount she gave - total amount she receives back.

= $( 1300 - 51 )

= $1249

Since, Ally brought one mattress and 4 pillow . Thus, Total cost is given as,

⇒ M + 4 P = 1249

⇒ 769 + 4 P = 1249

⇒ 4 P = 1249 - 769

⇒ 4 P = 480

⇒ P = 120

Thus, cost of each pillow is $120.