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Y is 5 when x is 30 because the base ratio is 6:1
Answer:
x=5
Step-by-step explanation:
Using the equation y=6x+12, where x is the number of hours and y is the total cost for the given value of x, you can plug in 42 for y and solve:
42=6x+12
42-12=6x
30/6=x
5=x
Thus, Amy can rent the bike for 5 hours.
In order to the fourth player has the opportunity to bat, he/she needs that the three previous players make hit.
The joint probability of all three first batters make a hit is the product of their hitting percentages:
0.400 * 0.325 * 0.25
Pass the decimal numbers to fractions:
4/ 10 * 325/1000 * 25/100 = 32,500 / 1,000,000
Now simplify the fraction (divide numerator and denominator by 2500):
32,500 / 2,500 = 13
1,000,000 / 2,500 = 400
Then, 32,500 / 1,000,000 = 13 / 400
Answer: 13 / 400
