Kathy is twice as old as mary. kathy is 2 yrs younger than jon. the sum of all three ages is 77. how old is kathy?

I think Kathy is 75 years old

Step-by-step explanation:

If kathy is twice as old as Mary, that makes Mary 37 and a half, as that times 2 is 75, and that's two years younger than Jon

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

idk

step-by-step explanation: