three consecutive integers are such that when they are taken in increasing order multiplied by 2,3and4 respectively, thy add up to 74. find this number?
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Answer:
you can take the help of your book example
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Answer:
Numbers are 7 8 9
Step-by-step explanation:
Consecutive numbers are numbers that follow each other in order. They have a difference of 1 between every two numbers.
Let the smallest of consecutive integer be n,
Therefore, other two consecutive integers are to be n + 1 and n + 2 in increasing order
Now multiplying these three consecutive numbers with 2, 3, and 4 respectively. They become
2 (n), 3 (n + 1) and 4 (n + 2)
These add up to 74, means
2 (n) + 3 (n + 1) + 4 (n + 2) = 74
2n + 3n + 3 + 4n + 8 = 74
9n + 11 = 74
9n = 74 - 11
9n = 63
n = 63/9
n = 7
The smallest consecutive Integer is 7, therefore other two consecutive integers are:
7 + 1 = 8
7 + 2 = 9
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