Ariel bought several bags of caramel candy and taffy. the number of bags of taffy was 5 more than the number bags of candy. taffy bags weigh 8 oz each and caramel bags weigh 16 oz each.the total weight of the bags was 400 oz. how many bags of candy did she buy?

Answer 1

t = c + 5

8 t + 16 c = 400
=================

8 t - 8 c = 40
8 t + 16c = 400
----------------- subtract

-8 c = -360

c = 45 etc

Answer 2

24 c = 360
c = 15
t = 20

Answer 3

Katie works at a coffee shop and as a babysitter. She worked twice as many hours babysitting than she did at the coffee shop last week. She earns \$8/hour at the coffee shop and \$10/hour babysitting and earned a total of $168 last week. How many hours did she work at each job?