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solmaris [256]
3 years ago
13

What is the next term of the following sequence? 20, 10, 5, 21/2, ...

Mathematics
1 answer:
ycow [4]3 years ago
6 0

Answer:

1 \frac{1}{4}

Step-by-step explanation:

Note there is a common ratio between consecutive terms, that is

10 ÷ 20 = 5 ÷ 10 = 2 \frac{1}{2} ÷ 5 = \frac{1}{2}

Thus to obtain the next term in the sequence multiply the previous term by \frac{1}{2}

2 \frac{1}{2} × \frac{1}{2} = 1 \frac{1}{4}

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