Answer:
20
Step-by-step explanation:15-5=10 10 x 2 =20
Answer:
Step-by-step explanation:
Let the number be 'x'
Half a number = 
Half a number increased by the quotient of p and t

Answer:
1/4 or 0.25
Step-by-step explanation:
Lets plug x and y into the equation. We now have 3/12, which would be equal to 1/4 or 0.25