Question

Deepa reaches her office in 1 hour 15 minutes from home by driving her car
at an average speed of 60 km/h. How far is her office from home?​

Answer 1

Answer:

60+60/4=60+15=75

75 km answer.

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Answer 2

Answer:

$tota l \: time \: taken \: to \: reach \: her \: office \: = 1hour \: 15 \: minutes \: \\ = 1 \times 60 + 15 = 60 + 15 = 75 \: minutes \: \\ = \frac{75}{60} = \frac{5}{4} = 1.25hr \: \\ speed \: of \: her \: car \: = 60km \: per \: hour \\ distance \: of \: her \: office \: from \: home \: = time \: taken \: \times speed \: of \: the \: car \: \\ = 1.25 \times 60 = 75km \\ theefore \: distance \: of \: her \: office \: from \: home \: is \: 75 \: km \:$