A desk drawer contains 8 blue pens, 7 black pens, and 10 green pens. Lawrence will randomly choose one item from the drawer. What is the probability Lawrence will choose a green pen?

Step-by-step explanation:

Given

A desk drawer has 8 blue, 7 black, and 10 green pens

The favorable chances of drawing a green pen are 10

Probability is given by the ratio of favorable outcomes to the total outcomes.

So, the probability of drawing a green pen is

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point