1.June is buying a sweater using a coupon offering a 40% discount on items over $99. If the discounted price is $84, how much was the original price of the sweater?
2. The length of a rectangle is 2 more than 4 times the width. If the perimeter is 114, find the length and the width.
3. Jeremy is buying a new car. The total cost, including tax, is $18275. If the tax rate is 7.5% , what is the sticker price of the car?
4. Suppose Jed works at a part-time job where gets paid $7 per hour for zero to twenty hours per week. Write a function f to compute Jed’s weekly pay for working x hours.
f(x)=
Jed works 1 hours this week. Compute his weekly pay f(1).
Weekly pay for 1 hours? $
#1 0.6x = 84
#2 2(w + 4w+2) = 114
#3 1.075x = 18275
#4 f(x) = 7x for 0 <=x <= 20
now come on, they just told you that he gets $7 per hour, right?