Answer:
42 / 7 = 6
Step-by-step explanation:
There are 6 rows in the class room.
Answer: 
<u>Add 8x to both sides</u>
<u></u>
<u></u>
<u></u>
<u>Subtract 1 from both sides</u>
<u></u>
<u></u>
<u></u>
<u>Divide both sides by 14</u>
<u></u>
<u></u>
18·0.05= 0.9
0.9+18= 18.90
Even will earn $18.90 dollars an hour.
Answer: It will take approximately 21 years.
Step-by-step explanation:
6 percent of 5.25 is 0.315 (5.25 x 0.06 = 0.315)
Then you subtract 5.25 from 12 to calculate the number of years. (12 - 5.25 = 6.75)
Divide 0.315 from 6.75 (6.75 / 0.315 ≈ 21.4)