On a Saturday, Saul can cut 4 lawns in 6 hours. If Mitch can mow lawns at the same rate, how long will it take him to mow 9 lawns?

Mowing 4 lawns in 6 hours gives a mowing rate of 6/4 = 1.5 hours per lawn.

To mow 9 lawns, you need 1.5*9 = 13.5 hours.

The answer is B.

Step-by-step explanation:

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,