Answer:
$2.31
Explanation:
$099/3=$0.33
$0.33x7=$2.31
Start out by finding the unit rate and then multiply it by 7.
2.31
Thisis because when you have o figure the unit rate which is found by doing 0.99/3 or to remember the formula cost/total number of whatever than you get 0.33 is unit cost for one no multiply that by 7
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