Question

the difference between two positive numbers is 5 and their product is 84. find the numbers

Answer 1

b = a + 5
ab = 84

Now substitute "a+5" for "b" in the second equation and solve for a. Then plug that into the first equation to get b.

Answer 2

x - y = 5

xy = 84

Answer 3

ah, thank you guys.

Answer 4

\[\sqrt{84}=9.165 \]A guess that the larger is 3 more than 9, 12, and the lesser is, 5 less than 12 gives 7. Lucked out. 12*7 = 84