Josh is 6 years older than 4 times Kim's age. The sum of their ages is less than 31. What is the oldest Kim could be?

6

Step-by-step explanation:

the answer is 5 years old

Step-by-step explanation Kim's age is x then Josh's age is (4x+6)

x (4x+6) < 31.   5x + 1 < 31      5x       < 31 - 1 =30      x          < 30/5 = 6  

Kim is younger than 6 years old.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x