Let's represent john with the variable ( j ) and rick with ( r ):
j = 3r + 9
Answer:
y = 9 + 3x .
Step-by-step explanation:
Given : John's age is 9 more than three times Rick's age.
To find : Which expression represents this.
Solution : We have given John's age is 9 more than three times Rick's age.
Let the age Rick = x
According to question :
3 times the age of Rick = 3x .
Let the John age = y .
y = 9 + 3x . ( plus sign for more than ).
Therefore , y = 9 + 3x .
