Posted by natalie on Tuesday, May 3, 2011 at 6:51pm.
a 20ounce bag of popcorn costs $2.80. if the unit price stays the same, how much does a 35ounce bag of popcorn cost?

math  Ms. Sue, Tuesday, May 3, 2011 at 6:53pm
20/2.80 = 35/x
Cross multiply and solve for x.

math  PsyDAG, Tuesday, May 3, 2011 at 6:56pm
$2.80/20 = x/35
Divide $2.80 by 20 and multiply by 35.

math  natalie, Tuesday, May 3, 2011 at 6:58pm
20/2.80=35/x
20x=35*2.80
20x=98
divided by 20 on both sides
x=4.90?

math  Ms. Sue, Tuesday, May 3, 2011 at 6:59pm
Right.

math  natalie, Tuesday, May 3, 2011 at 7:03pm
thank you.

math  Ms. Sue, Tuesday, May 3, 2011 at 7:03pm
You're welcome.
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