Story problem??

2 ⤊

The senior class is having a dinner party for everyone. The cost is $9.95 for food, and $18.95 for delivery ( Add 9.95 and 18.95 for total price). How many people would have to attend the dinner for the cost to be $11.00. Set up a model and solve.

Thanks for your answers!

2007-02-28 09:27:51 · 2 answers · asked by K. 3 in Education & Reference ➔ Homework Help

Sorry everyone...that is supposed to say $18.00 for delivery

2007-02-28 13:04:36 · update #1

2 answers

9.95n + 18.95 = 11n
18.95 = 11n - 9.95n
18.95 = 1.05 n
18 people would need to come for it to be $11

2007-02-28 09:34:42 · answer #1 · answered by Jennifer Anne 4 · 2⤊ 0⤋

(11/n)-(9.95/n)=(1.05/n)
divide by 0.05
220-199=21
the answer is 220

2007-02-28 18:01:24 · answer #2 · answered by Curious George 4 · 0⤊ 1⤋