Answer
x = − 4,− 10
Step-by-step explanation:
Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
Divide the total amount made with the amount of hours worked
Ruth makes $35 working 5 hours
35/5 = 7
Ruth makes $7 an hour
Now multiply 7 with 8
7 x 8 = 56
Ruth makes $56 in 8 hours
<em>~Rise Above the Ordinary</em>
Answer: 2
Step-by-step explanation:
A function composed with its inverse outputs the original input.
Answer: The wholesale cost of the bike = $100
Step-by-step explanation:
Let x = wholesale cost of the bike
As per given,
Selling price = cost price + (Mark up percent) x ( cost price) (i)
Selling price of bike = $160
Mark up percent = 60% =0.60
Substitute values in (i) , we get

Hence, the wholesale cost of the bike = $100