# math

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a 20-ounce bag of popcorn costs \$2.80. if the unit price stays the same, how much does a 35-ounce bag of popcorn cost?

• math -

20/2.80 = 35/x

Cross multiply and solve for x.

• math -

\$2.80/20 = x/35

Divide \$2.80 by 20 and multiply by 35.

• math -

20/2.80=35/x
20x=35*2.80
20x=98
divided by 20 on both sides
x=4.90?

• math -

Right.

• math -

thank you.

• math -

You're welcome.

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