Answer:
B
Step-by-step explanation:
First, find 12% of $8.50.
12% of $8.50 = 12% * $8.50 = 0.12 * $8.50 = $1.02
The raise is $1.02 per hour.
$8.50 + $1.02 = $9.52
Hear new hourly earnings are $9.52/hour.
60 minutes is how long it will take her , because she has four walls 20•4 is 60
Answer:

Step-by-step explanation:
Given



Required
Find x
First, we calculate the amount paid in terms of the cost price.
This is calculated using:



Express as decimal

Open bracket

So, we have:
and
---- given
Equate both

Collect like terms



Solve for x

