16
83 + 17 = 100
1
If a number is added to itself, it is twice that number → 18 ÷ 2 = 9 → 9 + 9 = 18
6
To make a whole number, you need to add the amount that is missing from 3 to reach the nearest whole number. In this case, 3 is already a whole number, so no additional amount needs to be added to make it a whole. Therefore, nothing needs to be added to 3 to make it a whole number.
You write: eight hundred and eighty dollars. Always do it as close to the square where you write in the number and draw a line in front of the eight hundred. This way it can't be added to or changed to a higher number.
30 + 70 = 100
83 + 17 = 100
1
If a number is added to itself, it is twice that number → 18 ÷ 2 = 9 → 9 + 9 = 18
Placing a question mark at the end of a number does not make it a sensible question.
6
21
408 is the ans
56
2
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