A grocery store is offering a promotion where a customer receives a $0.20 discount per item on selected sale items, and Paulo has a coupon where he receives $0.10 off regularly priced items.

Before applying the discounts, the cost of Paulo's sale items was $61.96 and the cost of Paulo's regularly priced items was $43.30. After applying the discounts, Paulo spent $97.66 on both the sale items and regularly priced items.

If Paulo bought 11 more sale items than regular items, how many items did he buy in all?

A. 18

B. 29

C. 40

D. 47

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?