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SVETLANKA909090 [29]
3 years ago
11

Riley adds 45.3 and 3.21 should his sum be greater than or less than 48 tell how you know

Mathematics
2 answers:
Romashka [77]3 years ago
7 0

His sum should be more than 48.

I know because if you throw away the decimal pieces
and just add up the whole numbers  45  and  3 ,
right there you would have 48 .  So when you include
the decimal pieces, they'll make it even bigger.

Sav [38]3 years ago
7 0
From it saying Riley ADDS you know its subtracting, so add 45.3 and 3.21 together. 
Which is 48.51, so it is greater then 48.
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