Question

what must be added to 75 to make nine_nines

Answer 1

you add 24 in 75
75+24=99

Answer 2

Three consecutive integers can be written as (x),(x+1),(x+2)

Adding them:
(x)+(x+1)+(x+2)=75
3x+3=75
3x=75−3=72
x=723=24

so ,x+1=25,x+2=26

the numbers are 24,25,26

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