Add them all up besides the $30.00 once you get that divide $30.00 by your answer
Answer:

Step-by-step explanation:
1) Solve inside the parentheses.

2) Simplify (0.5 × - 0.6 ) to -0.3.

3) Simplify -0.3 × 0.4 to -0.12.

<em><u>Therefor</u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>-0.12</u></em><em><u> </u></em><em><u>.</u></em>
At least $73.50 for 7x3 is 21 gallons and 10.50x7 is $73.50
Answer:
20
Step-by-step explanation:

Answer:
5.74 hours
Step-by-step explanation:
Please kindly check the attached files for explanation.