The answer is 7√10−√6
The amount of time a certain brand of light bulb lasts is normally distribued with a mean of 900 hours and a standard deviation
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Answer:
Step-by-step explanation:
Cost of two tickets = 2 * 30 = £60
Let the amount with Puvi = £x
Money spent on dinner = (1/3)*x
Total money - money spent on dinner - money spent on dessert = 60
Money that Puvi had at the start of the night = £ 240