babbybronx
22.11.2019 •
Mathematics
The total cost of a printer is $510. if the cost of the computer is 13/4 the cost of the printer, find the price of each. ( in equation use x as your variable)
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Ответ:
printer=120$
computer=390$
Step-by-step explanation:
printer=x
computer=x × 13/4
x+x × 13/4=510
(4x+13x)/4=510
17x=510×4
x=2040÷17
x=120
y=120×13/4
=390
Ответ:
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