ANSWER
The correct answer is option B
EXPLANATION
The equations are
and
When we multiply the second equation by 
, we obtain;
When we combine this new equation with equation (1).
We can see that 
has been eliminated from the equation.
We can then, solve for 
and then substitute the result in to any of the equations to find .
Hence the correct answer is option B
Answer:
Let total number of boys be b.
ratio of boys after 14 boys leave is
(b - 14) / p = 3 / 10
=> 3 p = 10 b - 140
=> 10 b = 3 p + 140
= > b = 0.3 p + 14
Answer:
50%
Step-by-step explanation:
how ever many kids are in that class, divide it by 2 and that will be the amount of kids that do not prefer pepperoni (:
Answer:
(6t) + (3t) + (4t)
Simplified it would be 13t
