You are buying decorations for a birthday party. The before-tax total for 3 rolls of crepe paper and 20 balloons is $11.40. After you start decorating, you need more supplies. You buy 2 more rolls of crepe paper and 10 more balloons for $7.20. How much did each roll of crepe paper and each balloon cost?

how many players are there?

step-by-step explanation:

question 1 is 8, question 2 is 9, question 3 is 24

step-by-step explanation:

now, the numbers they give you at the top are the key. from there, you just have to plug and chug! let's try 1, 2, and 3!

key: a=3, b=5, c=6

1. a+5

remember, a=3, so we plug that in to get 3+5=8

2. 15-c

c=6, so we plug that in to get 15-6=9

3. 4b

b=6, so we plug it in to get 4*6=24

time to try the rest on your own! if you put the answers below in a comment, i'll check them for you!

the median is   36 orr sum like dat

step-by-step explanation: