3 years ago

Alone, Brenda can dig a ditch in 5 hours. If Jack helps her, the two of them can dig

1 answer:

6 0

Answer:

7.5 hours

Step-by-step explanation:

1/5 in 1 hour and 1/3 in one hour

1/3-1/5 is 2/15

backwards is 15/2

7.5 hours

Hope this helps plz hit the crown ;D

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