Sasha heard that planting trees helps to reduce the local temperature. For each tree planted, the temperature drops .1 degree. A tree costs $6 to plant. If she got the local temperature to drop from 80 to 78.2, how much did it cost to plant the trees?
Please answer and provide answer explanation.
108
The temperature dropped 1.

8 degrees because 80 - 78.

2 = 1.

8.

She planted 18 trees because 1.

8 /.

1 = 18.

It cost $108 to plant the trees because 18 x 6 = 108.

.

Therefore, the answer is 108