12. Find two consecutive natural numbers whose sum is 63.
13. Find two consecutive positive odd integers whose sum is 76.
Answers
12. Consecutive numbers are:- (x) and (x+1)
x+x+1 = 63
= 2x + 1 = 63
= 2x = 63-1
= 2x = 62
= x = 62/2
= x = 31
Numbers are 31 and 32
13. consective odd numbers are:- (x) and (x+2)
x+x+2 = 76
=2x + 2 =76
= 2x = 76-2
= 2x = 74
= x = 74/2
= x = 37
both consective odd numbers are:- 37 and 39
Answer:
12. 31&32. 13.37&39
Step-by-step explanation:
12. Let 1 consecutive natural no. be x
so the other no. = x+1 (beacuse they are consecutive)
According to question:
x+x+1=63
2x=63-1
2x=62
x=62/2=31. so x+1=31+1=32
ANSWER = 31&32
13. Let 1 positive odd consecutive integer be x
other be x+2 (because the numbers are odd so the difference or sum must be 2 )(you can also take other number as x-2)
According to the question:
x+x+2=76
2x+2=76
2x=76-2
2x=74
x=74/2
x=37. x+2=37+2=39
ANSWER: 37&39
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