Selma’s class is making care packages to give to victims of a natural disaster. Selma packs 1 box in 5 minutes and has packed a total of 12 boxes. Trudy has packed 1 box in 7 minutes and has already packed 18 boxes. How many more mi utes does each need to work in order to have packed the same number of boxes?

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,

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5

a

step-by-step explanation: