4/6 as a sum of unit fractions

Tell whatever the ordered pair is a solution of the given system.

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons