Answer:
9/49
Step-by-step explanation:
4 purple beads and 3 green beads. = 7 beads
P(green) = green / total = 3/7
It is replaced
4 purple beads and 3 green beads. = 7 beads
P(green) = green / total = 3/7
P( green ,replaced, green) = 3/7 * 3/7 = 9/49
1. 50%
2. 25%
3. 60%
Example: What is 10% of 150?
Convert the problem to an equation using the percentage formula: P% * X = Y
P is 10%, X is 150, so the equation is 10% * 150 = Y
Convert 10% to a decimal by removing the percent sign and dividing by 100: 10/100 = 0.10
Substitute 0.10 for 10% in the equation: 10% * 150 = Y becomes 0.10 * 150 = Y
Do the math: 0.10 * 150 = 15
Y = 15
So 10% of 150 is 15
Double check your answer with the original question: What is 10% of 150? Multiply 0.10 * 150 = 15
Answer: -1
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Step-by-step explanation: