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Stella [2.4K]
3 years ago
5

A library wants to buy a new computer that cost $989.99. So far, the library has collected $311.25 in donations.About how much m

ore money does the library need to buy the computer?
Mathematics
2 answers:
nlexa [21]3 years ago
3 0
Subtraction, 989.99 - 311.25 = $678.74 (answer)
olga nikolaevna [1]3 years ago
3 0
$678.74 because you need $989.99 but you only have $311.25 so you need to subtract what you have and what you need( $989.999 $311.25 ) and you would get $678.74 now to check you have to add what you have and what you need($678.74 $311.25) and get $989.99
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