It is -1/2x + 2...she just didnt add the negative sign
40 is 20% of x
40 = .2 * x
40/.2 = x
x =200
x is 80% of y
x = .8 * y
200 = .8 *y
200/.8 = y
250 =y
x+y
200+250
450
fg^3 / g^3f = 1
f^4 / f*f*f*f = f^4 / f^4 = 1
f^2g^3 / f^3g^2 = g/f
f*f/f^2 = f^2 / f^2 = 1
Answer:
f^2g^3 / f^3g^2
17/40
Step-by-step explanation: