I spent 80% of my money and had $12 left. How much money did I have to start ?

Mathematics

1 answer:

xeze [42]4 years ago

6 0

If you spent 80% that means you have 20% left, we'll use B as variable

20% x B = 12
0.20/0.20 x B = 12/0.20
B = 60

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Answer:

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Step-by-step explanation:

(a)

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The table for the probabilities is shown below.

(b)

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Compute the probability of X = 1 as follows:

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