As a member of a music club, you can order CDs for $14.99 each. The music club also charges $4.99 for each shipment. The express
ion 14.99n + 4.99 represents the cost of n CDs. Find the total cost of ordering 7 CDs. (25 points for this question :3)
1 answer:
You might be interested in
Marcario should use 4 pounds of macadamia nuts and 8 pounds of almonds.
Explanation
given
cost of macadamia nuts per pound=$9
cost of almond nuts per pound=$5.25
cost of the mixture per pound=$6.5
total pounds of the mixture to be made=12
let the pounds of macadamia nuts=x
pounds of almond nuts=y
total pounds of nuts=x+y=12
solving (1) and (2)
x=4
y=8