Solve the system by substitution. y = 8x y = 10x - 4 Submit Answer
1 answer:
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Answer:
Roberta earns $164.4 on an 8 hr shift.
Step-by-step explanation:
In one hour Roberta makes $9
So if she works for 8 hours she will be making
=> ( 9 X 8)$
=>72$
Also she earns a commission of 10.5% on selling a jewellery worth $880
So 10.5% of 880 is
=>
=>
=> 92.4
Hence Roberta will be earning a total amount of
(72+ 92.4)
=>$164.4