Math, asked by prahalad221803, 1 year ago

add . 4hour 45min and3hour 45sec

Answers

Answered by sarahjani007

0

Answer:

7hours 45min 45sec

Step-by-step explanation:

add hours,add min & add seconds

Answered by rraghvendra847

1

Answer:

420

Step-by-step explanation:

1 hour= 60 min

so, 4×60 = 240

240 +45+3×60=90+45

240+90+45+45=420

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