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sattari [20]
3 years ago
15

Paul, Joey, and Matt have to catch the train back to school at 5:00pm. They want to tour the air and space museum for 1 hour and

45 minutes, then spend 30 minutes in the gift shop and save 20 minutes to walk to the train. What time should they start the tour?
Mathematics
1 answer:
Zigmanuir [339]3 years ago
3 0

Answer:

2:25pm

Step-by-step explanation:

The time given is 5pm to catch the train back to school;

Amount of time for the tour  = 1hr 45min

                                               = 105min

Amount of time at gift shop  = 30min

Amount of time to save  = 20min

 Total time = 105min + 30min + 20min  = 155min

So;

Total time  = 2hr 35min

So;

        5pm - 2hr 35min  = 2:25pm

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MrRissso [65]

Option A

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<em><u>Solution:</u></em>

<em><u>Given expression is:</u></em>

\left(y^{\frac{4}{3}} \cdot y^{\frac{2}{3}}\right)^{\frac{-1}{2}}

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The product of powers property tells us that when you multiply powers with the same base you just have to add the exponents

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<em><u>Therefore, the given expression becomes,</u></em>

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Now add the exponents, we get

\left(y^{\frac{4+2}{3}}\right)^{\frac{-1}{2}}

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Step-by-step explanation:

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