Checkers can catch and kill a single mouse in 40 seconds. Muffy can catch and kill a single mouse in 70 seconds. If Checkers and Muffy work together, how long would it take to catch and kill a nest of mice that contains 11 mice?

13.46

step-by-step explanation:

16.80 x .20 = 13.46

the solution is x=1

step-by-step explanation:

we are given our   equation as

let's assume

left side function is

right side function is

now, we can draw graph

and then we can get intersection point

the intersection point will be solution

so, the solution is

x=1