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Iteru [2.4K]
3 years ago
14

Working alone, it takes Shanice nine hours

Mathematics
2 answers:
AlexFokin [52]3 years ago
7 0

Answer:

roughly 4 hours and 24 minutes

Step-by-step explanation:

S= 4.44 a/h

E= 5 a/h

If worked together, x(4.44+5)=40

x= 4.24

lesya [120]3 years ago
3 0

Answer:

329

Step-by-step explanation:

add the hours then mutiply by 40

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