Question

answer with explanation ​

Answer 1

Answer:

Assume total work = 1

Step-by-step explanation:

________________

|Days | Hours  | Work|

|28     | 10         | 1       |

|280   | 1           | 1       |

|1         | 1           | $\frac{1}{280}$    |

|20      | 1           | $\frac{1}{14}$     |

|20      | x           | 1      |

_________________

Now we can clearly see that x = 14

Might help Th@nks!!!!