Question

Kam can make 72 cookies in 3 hours, Madison can make 128 cookies in 4 hours. How many hours would it take them to make 200 cookies together?

Answer 1

3.7 hours

Explanation:

Answer 2

3.7 hours

Step-by-step explanation

Kam

x = 72/3 . = 24 cookies/h

Madison

x = 120 / 4 = 30 cookies/hour

Now we write and equation where "t" will be time

24t + 30t = 200

54t = 200

t = 200/54

t = 3.7 hours