In 11 years, John's age will be 5 less than 5 times his current age. How old is he?

If x represents John's current age, which of the following equations could be used to solve this problem?

a x + 11 = 5x - 5
b x + 11 - 5 = 5x
c x + 11 = 5 - 5x

With #! i’ve tried to figure it out but i can’t.

"princess tower" in dubai is considered the world's tallest residential building, towering to 1 0 1 101 floors! t ( n ) t(n) models the number of tenants living on floor n n of the tower. what does the statement t ( 2 0 ) = t ( c ) t(20)=t(c) mean?

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?