Carlos made up a game where, in a deck of cards, the red cards (hearts and diamonds) are negative and the black cards (spades an
2 answers:
Solution:(a) The value of samantha cards is -17. (b) The value of Warren cards is 2. (c) The winner name is Warren. (d) First way is king of Diamond , queen of club , 7 of spade and Second way is queen of heart, 8 of club, 9 of spade.
Explanation:
(a) It is given that red cards are negative and black cards are positive. Points of face card is 10.
Samanth has a king heart which is a red face card so the value of this card is negative 10. Jack of diamond is a red face card so the value of this card is negative 10. The value of 3 of spade is positive 3.
Therefore, the value of Samanth's cards is -17.
(b)Warren has 7 of club which is a black card so the value of this card is positive 7. The value of 2 of spade is positive 2 and the value of 7 of heart is negative -7.
Therefore, the value of Warren's cards is 2.
(c) The winner name is Warren.
From part (a) and (b) it is noticed that the value of Samanth's cards is -17 and the value of Warren's cards is 2.
Since 2>-17 therefore warren is the winner.
(d)The first way to score 7 is king of Diamond , queen of club , 7 of spade.
The second way to score 7 is queen of heart, 8 of club, 9 of spade.
Therefore, Two ways are king of Diamond , queen of club , 7 of spade and queen of heart, 8 of club, 9 of spade.
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Answer:Perry and Lorna take the maximum time and Maria and Lorna take the minimum time when they work together.
Explanation: Since, according to the question- Perry takes time when he works alone = 3 hours
Similarly, Maria takes = 2 hours, While Lorna takes= 2 hours 30 minutes or 2.5 hours.
since, there are three people thus their are three possibility to choose any two of them.
1- when Perry and Maria work together then time taken by them is =
= 6/5= 1 hour 12 minutes.
2- when Maria and Lorna work together then time taken by them is = 10/9= 1 hours 1/9 minutes ≈ 1 hours 7 min
3- when Perry and Lorna work together then time taken= = 15/11= 1 hour 4/11 minutes≈ 1 hours 21 minutes
From the above explanation, it has been proved that when we talk about 2 members team then Perry and Lorna take the maximum time. While Maria and Lorna take the minimum time when they work together.