Answer: Most likely (A) and (D)
A. 9 only bc only 9 can be equal to 9 if it was absolutely value then the answer would be 9 and -9
1/ 0.6 = x / 250..1 dollar to 0.6 euros = x dollars to 250 euros
cross multiply
(0.6)(x) = (250)(1)
0.6x = 250
x = 250/0.6
x = 416.67 american dollars
2500 * 0.20 = 500 dollars
Answer is D. Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for th remaining varables
