Yesterday Shweta completed 300 units of work at the rate of 15 units per minute. Today she completed the same units of work but her speedwas 40% faster than yesterday. What is the approximate difference in the time she took to complete the work yesterday and the time she took today ?

Yesterday Shweta completed 300 units of work at the rate of 15 units per minute. Today she completed the same units of work but her speedwas 40% faster than yesterday. What is the approximate difference in the time she took to complete the work yesterday and the time she took today ?
1). 16 min
2). 26 min
3). 46 min
4). 36 min

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