10 added to the first number gives the second number .10 added to the second number gives the third number . 10 added to the third number gives 100 .then what is the first number.
Answers
Answered by
1
Answer:
The first number is 70.
Step-by-step explanation:
Let first no. be x.
From the question, second no. is 10+x, third no. is x+10+10=x+20 and 10 added to the third no. is 100, or
x+20+10=100
⇒x+30=100
⇒x=100-30=70
So, the first number is 70.
Hope it helps!
<3
Answered by
0
Answer:70
Step-by-step explanation:= third no. Is 100-10 = 90
2nd no. = 90-10 =80
1st no. = 80-70
=10
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