Posted by Kelly on Friday, June 10, 2011 at 11:46am.
A 20 ounce bag of popcorn costs $2.80 at the movie theater, if the unit price remains the same, how much would a 35 ounce bag cost ?
Please help me, I'm in math class and Im stuck.

8th grade math  Ms. Sue, Friday, June 10, 2011 at 11:49am
Use a proportion. Cross multiply and solve for x.
20/2.80 = 35/x

8th grade math  Angel, Friday, June 10, 2011 at 3:11pm
First find the cost per ounce:
2.80 divided by 20 = .14 per ounce
Then, multiply by 35 to find the price for 35 ounces:
.14 x 35 = 4.90
Therefore, a 35 ounce bag of popcorn would be $4.90!
Hope this helped!

8th grade math  Anonymous, Wednesday, August 10, 2011 at 11:45pm
n+(5)
when n=321

8th grade math  gavaskar, Sunday, August 21, 2011 at 2:15am
it is 4.90
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