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melomori [17]
3 years ago
15

90 minutes doing homework, 2/3 hour reading, and 540 seconds making his lunch for the next day. How many more minutes did Robert

o spend doing homework than he did reading and making his lunch?
Biology
1 answer:
AleksandrR [38]3 years ago
8 0

Answer:

41 minutes

Explanation:

According to this question;

- Roberto spent 90 minutes doing homework

- Roberto spent 2/3 hour reading. Since 1 hour = 60 minutes

2/3 hour = 2/3 × 60 = 40 minutes.

- Roberto spent 540 seconds making his lunch for the next day. Since, 60 seconds = 1 minute

540 seconds = 540/60

= 9 minutes.

The total amount of time Roberto spent reading and making his lunch is = 40 + 9 = 49 minutes.

Therefore, the amount of time Roberto spent doing his homework than reading and making his lunch is (90 - 49) = 41 minutes.

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