contestada

Two employees are filling crates. One fills
2
3
of a crate each hour, one fills
1
1
4
crates every 2 hours.

How many crates will they fill in 4 hours?

2 4/7 crates
3 5/6 crates
5 1/6 crates
7 2/3 crates

Respuesta :

wolf1728
Calculate both of those per hour:
2/3 crate / hour
1.25 crates / 2 hours = 5/8 crates / hour

2/3 + 5/8 = 16/24 + 15/24 = 31/24 per hour =

124 / 24 crates in 4 hours = 5 (4/24) crates =

5 (1/6) crates per 4 hours


Otras preguntas