Question

Which number should be added to 16 to obtain 25?
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Answer 1

Answer:

answer → 9

let the required number be x

according to question

16 + x = 25

=> x = 25 -16

=> x = 9

so, the number is 9.

Answer 2

Answer:

9

Step-by-step explanation:

first minus 25-16 = 9

also check when we add 16+9 then we get 25