Answer:
227.7 hours
Step-by-step explanation:
of means multiply and is means equals
230% * 99 = what
Change the percent to decimal form
2.30 * 99 = what
227.7= what
Answer:
Explanation:
<u>1. Given equation:</u>
<u>2. Given intensity:</u>
<u>3. Decibels</u>
Answer:
Step-by-step explanation:
He earned 32 for 4 hours, so you have 32/4.
Then you want to find the number of hours to make 80, so you have 80/h.
Set them to equal each other:
32/4 = 80/h
Now cross multiply:
(32 * h) / (4 *80)
Simplify:
32h = 320
Divide both sides by 32:
h = 320 / 32
h = 10
He will need to work 10 hours.
Answer:
$156.86
Step-by-step explanation:
$136.40 + 15% = $20.46
$136.40 + $20.46 = $156.86