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Anonymous
18 - 3 = 15 Let any number = x
Answer = 15x
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18-3
18
well the product of 6 and 3 is 18 18-5 is 13
6 x 4 = 24 24 - 6 = 18
81=18*4.5
"The sum of a number and three times another number is 18. find the numbers if their product is a maximum?"
the number is 18
12 or 18
most likely 18
18 = 1x18, 18 = 2x9, and 18 = 3x6
12 and 18 have three factor pairs.
2x - 16 = 3x/18