In a three digit number the 2nd digit is 4 times as big as the 3rd digit and the 1st digit is 3 less than the 2nd digit. what are the two possible three digit numbers?

Question

Mathematics

Hanna Reed

10 December, 17:59

In a three digit number the 2nd digit is 4 times as big as the 3rd digit and the 1st digit is 3 less than the 2nd digit. what are the two possible three digit numbers?

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Answers (1)

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Aurora Glover · Answer 1

Say that xyz is your number, then y=4z and x+3=y

Since it is a multiple of 4, y has to be 4 or 8, which means z has to be 1 or 2, since it is 1/4 of y and then since x is 3 less than y, x would have to be 1 or 5 ... so the numbers are ... 141 or 582