What numbers multiply to equal .042

Question

The question is: What two numbers multiplied equals.042? The answer from those two numbers has to equal .16.  Example: What two numbers when multiplied equals 42 and when those two numbers are added together they equal 13.     7*6= 42      7+6= 13

Answer 1

I think you are looking for the following solution

 

XY = .042

 

X + Y = .16

 

X = .16-Y

 

sub into our first equation

 

(.16-Y)Y = .042

 

.16Y -Y^2 = .042

 

Y^2 -.16Y + .042 = 0

 

Solve this using the quadratic formula

Answer 2

(2)(0.021) = 0.042

0.08 + 0.08 = 0.16