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Zarrin [17]
3 years ago
15

Consider 10 married couples. how many ways can 7 married couples be selected from this group

Mathematics
1 answer:
Novay_Z [31]3 years ago
3 0
10c7
=10!/(7!*(10-7)!)
=120
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What's the answer and the work
erma4kov [3.2K]
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(please help quickly) Find the least common multiple of the following numbers. ​
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Answer:

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2 years ago
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Answer:

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Step-by-step explanation:

we know that

A group of friends went to lunch, and their bill was $132.50

In this problem

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so

using proportion

Find out the total amount that represent 118%

Let

x ----> the total amount of the bill

\frac{\$132.50}{100\%}=\frac{x}{118\%}\\\\x=132.50(118)/100\\\\x=\$156.35

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Step-by-step explanation:

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