Question

janet can make 4/5 of a necklace in 20 minutes. at this rate, how many necklaces, to the nearest tenth of a necklace, Can Janet make in 1 hour ?​

Answer 1

Explanation:

Janet can make:

4/5 of a necklace in 20min

2(4/5)=8/5 ............in 40 min

3(4/5)=12/5 ............in 60 min( one hour)

12/5=2 2/5 necklaces in one hour

or 2.4n in one hour