Cola is on sale at six bottles for $3.99. Each bottle contains 710 mL of pop. What is the price per 100 mL when purchased this way?
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Answer:
6 x 710 mL = 4260 mL
So 4260 mL costs $3.99
4260 mL 100 mL
----------- = --------------
$3.99 ?
cross multiplies:
4260 * ? = 3.99 * 100
? = 3.99 * 100/4260 = 0.0936619
9 cents and 4 mills for 100 mL
Step-by-step explanation:
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