Answer:
b) 5314
c) ln 2.7
d) 4.6 hrs
<u>Step-by-step explanation:</u>


Answer
a. The backpack is $4.50
b. The sweatshirt is $2.70
Step-by-step explanation:
a. 30 x 0.15 = 4.50 (The 0.15 is from the price you are actually paying for the item. Because the item is 85% off, you are paying for 15% of the usual price. 15% as a decimal is 0.15 so you multiply that to the original price to find the amount u will pay.)
b. 18 x 0.15 = 2.70
Answer:
Not normal, because we expect fewer than 10 children to redeem the coupon.
Step-by-step explanation: