Posted by Kelly on Friday, June 10, 2011 at 11:46am.
Use a proportion. Cross multiply and solve for x.
20/2.80 = 35/x
-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!
n+(-5)
when n=321
it is 4.90
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