The answwer to your question is D
Answer:
Is this a joke or wat if it is why
Let m the tens digit and n the ones
the Original number is 10m+n
7(m+n) =10m+n
7m+7n=10m+n
6n=3m
Reversing the number 10n+m
10n+m=18+n+m
9n=18
n=2
6n=3m
6(2)=3m
3m=12
m=4
the number is 10m+n=10(4)+2=42
4 years
6000 x .3 = 1,800. 1800 divided by 450 = 4
Answer:
5
Step-by-step explanation:
difference in y is 3
difference in answer is 15
15 divided by 3 is 5
