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4 votes
Tony worked 4 2/3 hours on his science project. Sonia worked 1 1/4 times as long on her science project as Tony did.For how many hours did Sonia work on her science project?

2 Answers

4 votes

Answer: 5 5/6

Step-by-step explanation:
4 (2)/(3) x 1 (1)/(4) = (35)/(6) \\

You can simplify
(35)/(6) to
5(5)/(6)

Hope this helps! :)

User James Hudson
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7.3k points
3 votes
To find how many hours Sonia work on her science project,we can multiply the working hours of Tony by the times Sonia did:


4 (2)/(3) * 1 (1)/(4) \\ = (14)/(3) * (5)/(4) \\ = (70)/(12) \\ = 5 (10)/(12) \\ = 5 (5)/(6)
Therefore Sonia work on her science project for 5 5/6 hours.

Hope it helps!
User Matvey Andreyev
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7.8k points