Question

geometry:

The perimeter of a driveway is 168 ft. The length is 12 ft. longer than three times the width. What are the dimensions of the driveway?

Answer 1

L=3W+12

2L+2W=168

These are statements made to you. Use the information from the first statement to solve for the other variable in the second statement. Doing this you get:

2W+2(3W+12)=168
2W+6W+24=168
8W=144
W=18

The width is 18. Good. What is the length? Use one of your true statements to solve for the other variable.

L=3(18)+12
L=54+12
L=66

To conclude, The Width is 18 and the Length is 66.

Answer 2

ty so much

Answer 3

Make sense?

Answer 4

yes