four fifths must be added to make it whole
5600 - 400 = 5200 So 520 tens must be added.
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485855
19000?
295ml
To find out how many tens must be added to 400 to make 2500, first, subtract 400 from 2500. This gives you 2100. Since each ten represents 10, divide 2100 by 10, which results in 210. Therefore, 210 tens must be added to 400 to make 2500.
0.03 Thousandths
The difference must be added : 7.00-4.34 = 2.66
What needs to be added to 83 to make 100
7/10 must be added to 3/10 to make 1 whole.
What must be added to 3 tenths to make 1 whole