Kim took a total of 8 quizzes over the course of 2 weeks. how many weeks of school will kim to attend this quarter before she will have taken a total of 20 quizzes? solve using unit rates

5 weeks

8×2.5=20

2×2.5=5

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,