Let's create expressions and equations to model this situation. Let Anthony's age be a.
"Jim is 3 times as old as his cousin, Anthony." Jim's age is 3a.
"The difference in their age is 18." 3a - a = 18
How old is Jim?
Let's solve the above equation for a to first find Anthony's age.
3a - a = 18
2a = 18
a = 9
Remember, Jim's age is represented by the expression 3a. Substitute Anthony's age, 9, into the expression to find Jim's age.
3a
3(9)
27
Answer:
Jim is 27 years old.
Answer:
Step-by-step explanation:
You'll divide the tip by the sub-total and multiply by 100
7/52.99 *(100) =13.21%
Answer:
Step-by-step explanation:
this is were they should go
Answer:
0.44444444 or 4/9
Step-by-step explanation:
Since we know the value of 
, we can rewrite the equation replacing the variables.
Now solve. While solving, remember the order of operations.
or 
Answer:
If this answer is correct please make me as a brainlist
