A koala sleeps 18 hours a day. Write an equation using 2 variables to show the relationship between the number of days the koala sleeps, d, and the total amount of time The koala sleeps, t, in d days.
Let's denote the number of days the koala sleeps as d and the total amount of time the koala sleeps in d days as t.
Given that a koala sleeps 18 hours a day, we can express the relationship between d and t as follows:
t = 18d
So, the equation using 2 variables to show the relationship between the number of days the koala sleeps, d, and the total amount of time the koala sleeps, t, in d days is t = 18d.