Solve by using the substitution method. 7x+3y=-37 -5x+y=39
1 answer:
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Answer:
Amy worked for 128 hours while Brayden worked for 112 hours
Step-by-step explanation:
Given
Let A represents Amy and B represents Brayden
A = 16 + B ------(1)
A:B = 8:7------- (2)
Required
Find A and B;
Convert (2) to fractions
Cross Multiply
Substitute A = 16 + B in the above expression
Open Bracket
Subtract 7B from both sides
Recall that A = 16 + B
Hence,
<em>This implies that Amy worked for 128 hours while Brayden worked for 112 hours</em>