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Roberto spent 90 minutes doing homework,2/3 hour reading, and 540 seconds making lunch.How many more minutes did he spend doing homework than reading amd making lunch?
I need help ASAP

Respuesta :

obinnasteven863

Answer:

first of all convert the hours to minutes

2/3×60=40

convert the seconds to minutes

540÷60=9

add the minutes

40+9=40

so he spent

90-40=50 more minutes in doing his homework.

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