Let's say he has 1 kg of each
2.25/kg and 3.75/kg
add together and divide by 2 to get average
6/2=3
so it must be a one to one ratio
25 kg/2=12.5 kg of each
12.5 of each brand
Answer:
A is your answer
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
x/(x²+3x+2) - 1/[(x+2)(x+1)]
x² + 3x + 2 = x² + 2x + x + 2
= x(x + 2) + (x + 2)
= (x + 2)(x + 1)
= x/[(x+2)(x+1)] - 1/[(x+2)(x+1)]
= (x-1)/[(x+2)(x+1)]
= (x-1)/(x²+3x+2)