contestada

Crystal was able to make 20 free-throws in a practice session. This is up 25% from her last session. How many free-
throws was Crystal able to make in her previous practice session?

Respuesta :

rvkacademic

Answer:

16 free-throws

Step-by-step explanation:

Let Crystal's last session free-throws be the number T

If there is a 25% increase in free-throws from her last session, the increase in free-throws = T x 25% = T x 25/100 = 0.25T

This is only the difference (increase) in throws between current and previous session

To find total throws in current session we have to add the number of throws in previous session to this increase
=> T + 0.25T = T(1+0.25) = T(1.25) = 1.25T

We are given that this number is 20

So we get
1.25T = 20

T = 20/1.25 = 16