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Kelly works from 0850 until 1400 on 6 days each week. She earns

£4.30 per hour.

(a) How many hours does she work per week?

(b) How much does she earn per week?

Kelly is given a 10% pay rise.

(c) How much does she now earn per week? i donot know to answer , please help me

Please find below the solution to the asked query:

Given : Kelly works from 0850 until 1400 on 6 days each week. She earns £ 4.30 per hour.

a ) 08:50 to 12:00 total hours = 3 hours 10 minutes ( As we know 1 hour = 60 minutes )

And

12:00 to 1400: total hours = 2 hours , So

In one day Kelly works for = 3 hours 10 minutes + 2 hours = 5 hr 10 min = 5 $\times $ 60 + 10 = 300 + 10 = 310 minutes

And as she works for 6 days in a week , so

Total time Kelly works for = 310 $\times $ 6 = 1860 minutes = 31 $\times $ 60 ) minutes = 31 hours

Therefore,

**Total hours she work per week = 31 hours ( Ans )**

b ) She earns £ 4.30 per hour , So

**Total money she earn per week = £ 4.30 $\times $ 31 = £ 133.30 ( Ans )**

c)Kelly is given a 10% pay rise , So

Total money she now earn per week = 133.30 + 10% of 133.30 = 133.30 + $\frac{133.30\times 10}{100}$ = 133.30 + 13.33=

**£ 146.63 ( Ans )**

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