Answer: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
Answer:
s = 4
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Answer:
The answer is D
Step-by-step explanation:
you have to multiply 5 and 12 by the power of 2. 5 x 5=25 12 x 12=144 add them and it equals 169 then you have too divide it by the thing of 2 and it equals x=13