The mean age of five children is 8 years 4 months. When Hannah joins the children, their mean age becomes 8 years 5 months. How old is Hannah?​

a. she will receive a refund of $278.

step-by-step explanation:

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x

da freeck kinda math is this just drop out

step-by-step explanation:

a

step-by-step explanation:

u take $30 minus $24. the answer/original($30)