*urgent*

mindy's high school class has a total of 150 students and they are planning a field trip. each van can seat 8 students and each bus can sit 14 students. there are only 15 drivers, so the total number of vehicles they can take must be 15. how many of each vehicle will mindy's class need to transport everyone?

im reasking because its important

i believe the answer is d.

hope it you! : d

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).