Ian, Thomas and Josh have a total of 264 phone cards. Ian has thrice as many phone cards as Thomas. Josh has 30 fewer phone cards than Ian. How many phone cards does Josh have?

1 answer

Tom's number --- x
Ian's number = 3x
Josh's number = 3x - 30

x + 3x + 3x-30 = 264

solve for x , then sub into my definitions