Question

Roberta makes $9 an hour plus a 10.5% commission selling jewelry an hour shift in which she sells $880 worth of jewelry. How much does she earn on an 8 hr shift?

Answer 1

Roberta earns $164.4 on an 8 hr shift.

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

=>
`(10.5)/(100)* 880`

=>
`0.105* 880`

=> 92.4

Hence Roberta will be earning a total amount of

(72+ 92.4)

=>$164.4