You will save 41.25 dollars, and you will pay 83.75 dollars if you use the coupon.
To get the percent of money you save you multiply 125 dollars by 33% to get your answer. To get the number of dollars you will take the amount you got by multiplying 125 dollars by 33% and subtract it from 125, so that’s 125 - 41.25 = 83.75
<span>x=<span>−<span><span>1<span> or </span></span>x</span></span></span>=<span>−<span>3 i think lol</span></span>
Answer (C) 50 degrees
Steps: please check the attached image for details
X: represents how many weeks
N: represents books per week
B: <span>represents </span>books she has at anytime
So the recursive formula would be: 100 - XN = B