Answer:
Step-by-step explanation:
A I think sorry if I’m wrong
Answer:
Option 4.
Step-by-step explanation:
Reciprocal of the second fraction turns the product into the division of the two fractions, which equals to 1.


Two fractions are said to be the reciprocal or multiplicative inverse of each other, if their product is 1.
Im pretty sure the LCM is 240. Hope it helps and you get it right :)
Answer:
10 hours and 30 minutes.
Step-by-step explanation:
Hope it helps
Answer:
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Step-by-step explanation: