There are 28 boys and 25 girls in a school hall. After y girls leave the hall, the I probability of selecting a girl at random becomes ?. Find the value of y. 3 7

do you mean add both of the equations together

because if you do the answer is 10x-5

step-by-step explanation:

answer is : muchas/tipicas

have a nice day!

~recklesschicken

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}

where is the picture

step-by-step explanation: