Question

$bro \: please \: help \: and \: if \: your \: not \: a \: bro \: then \: also \: please \: help me$

$if \: want \: to \: become \: the \: brainleist \: give \:the \:correct \: answer$
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Answer 1

Answer: 17.5

Step-by-step explanation:

Hours taken each day = $2\frac{1}{2} = \frac{5}{2}$

Total Days taken = 7

Total no. of hours = $\frac{5}{2} X 7 = \frac{35}{2} = 17.5$

Answer 2

Answer: 150mins  x 7=1050 mins =17 hours and 30 mn

Step-by-step explanation:   in one day she works for 2 1/2 hr

1hr = 60 mins

21/2 hr= 150 mins

therefore in 7 days

150 min x 7 = 1050 min

∴she took 17 1/2 hours to complete the work