Pls answer this one and I will mark it has brainlist

t= half of the arc subtended by t.

r= half of the arc subtended by r.  

t+r= half of the arc subtended by t + half of the arc subtended by r= half of 360=180

step-by-step explanation:

i think you would have to divide the money he had saved, which is $2,000 by the time he plans on exercising which is 40 hours, and the answer you get should tell you the answer to your question.

$25 becasue a 10 increase would make it from 80 to 50

so mark-up is 0.4 multiplied by 180 = 72