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3 votes
It's cost $3.99 for 25 fl. oz. of detergent or $6.99 for 90 fl. oz. Which is a better buy?

1 Answer

2 votes
$3.99 rounded to 4$ X 2=$8 for 25 for. oz

$6.99 rounded to $7 X 2 =$14 for 90 fl. oz

so $6.99 is cheaper
User Rspacer
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