Answer:
4(p+1)
Step-by-step explanation:
2p+7-3+p=4p+4
=4(p+1)
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➷ First calculate how many counters are 'not white'
12 - 7 = 5
We have 5 counters that are 'not white'
The probability of taking a white counter the first time is 7/12
For the next pick, there would be 1 less of the total counters as it is not being replaced
The probability of then taking a 'not white' counter is 5/11
The other way you could still get one white counter is:
The first counter (non white) probability would be 5/12
The second counter (white) probability would be 7/11
Multiply these values:
7/12 x 5/11 = 35/132
5/12 x 7/11 = 35/132
Add these two values together:
35/132 + 35/132 = 70/132
Your answer is 70/132
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Answer:
a=15
Step-by-step explanation:
Hope it helps
The answer is 15% as the discount
Deposit mean add 50, then withdraw means taking out 20, you do subtraction: $50-$20=$30
