I think you do 550 x .16(16%)=88 and each CD sells for 44 so 88/44
Answer= He needs to sell 2 CD's
Answer:
10+7.5x is less than or equal to 70
Step-by-step explanation:
Answer:
(-10, 9)
Step-by-step explanation:
9x+9y=-9
Use substitution method
9(-10)+9y=-9
Order of operations(PEMDAS)
-90+9y=-9
Add 90 to both sides
(-90+90)+9y= -9+90
9y=81
Divide 9 from both sides
(9/9)y=81/9
y=9
Hope this helps. Have a nice day. May it be filled with joy and happiness. Please, stay safe and wash your hands. Happy Holidays.