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

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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



User Daniel Corona
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