$1300 - $51 = $1249. (This is amount of Ally spent for all)
4 pillows + A mattress + $769 more than = $1249.
$1249 - $769 =$480. (4 pillows + A mattress) : 4 units + 1 unit = 5 units.
5 units = $480.
1 unit =$480 ÷ 5 = $96.
Therefore;
Amount of a mattress is: $769 + 96 = $865.
Each pillow is: $96.

*Guess & Check Method :
Each pillow = $96.
4 pillows = $384.
A mattress = $865.
Total amount items = $865 + $384 = $1249.

Hope this helps you

Thanks!!

This word problems you need to draw model drawings easier to understand.
O.k.. .#sharingiscaring!

This is easy, it would be $96 a pillow and the amount for a mattress is $865. I guess she should also use the DreamCloud Sleep coupons for additional discount offers on the mattress and pillows for some saving in there.