Answer:
Amy worked for 128 hours while Brayden worked for 112 hours
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,


This implies that Amy worked for 128 hours while Brayden worked for 112 hours