Tyrone's age is 2 years less than 4 times his younger sister's age. if his younger sister's age is b years, which of the following expressions best shows tyrone's age?

There are no expressions listed above, but the expression should look like the following:

b= sister's age

TYRONE'S AGE
4*b= 4 times sister's age (b) means to multiply

(4*b) - 2= two years less means subtract from (4*b)

ANSWER: 4b - 2

Hope this helps! :)