What times what equals 234, but then if you add them you get 31

Question

Mathematics

Dominick Branch

7 December, 15:23

What times what equals 234, but then if you add them you get 31

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Answers (1)

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Pokey · Answer 1

13*18

x*y = 234

x+y=31

we know the 2 # have to be double digits and both between 10-20

find 2 values that * to a number that ends in 4. Those are the ones value

1*4 11 and 14

2*2 12 and 12

3*8 13 and 18

only 13 and 18 add up to 31 and multiply to 234