a computer and printer a totoal cost $1132 the cost of the computer is three times the cost of the ptinter

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17-01-2022
Mathematics

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a computer and printer a totoal cost $1132 the cost of the computer is three times the cost of the ptinter

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If y = (x + 3)2, then (-2x - 6)2 must equal which of the following? a. -4y2 b. -2y2 c. -4y d. 4y

armmgord armmgord · Answer 1 · 2022-01-17T07:27:38+01:00

armmgord armmgord

17-01-2022

Use a system of equations

C+P=1132
3P=C

Substitute C in first equation as
3P+P=1132
Simplify
4P=1132
Solve
P=1132/4
P=283

NOW SOLVE FOR C SUBSTITUTING P VALUE IN FIRST EQUATION

C+283=1132
C=1132-283
C=849

Printer = 283$
Computer = 849$

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