Answer:
It takes one minute for both of them to eat one scoop.
Explanation:
How long does it take them to eat 1 scoop of ice cream working together?
Jada: 2/5 = 0.4 per minute
Noah: 3/5 = 0.6 per minute
0.4+0.6 = 1 scoop per minute
How long does it take for Noah to eat his 3 scoops of ice cream in 5 minutes?
5 minutes???