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vazorg [7]
2 years ago
12

Four less than a number is twenty

Mathematics
2 answers:
Solnce55 [7]2 years ago
7 0
The answer would be 24 because 24-4 is 20
erik [133]2 years ago
3 0
The equation would be x - 4 = 20

"less" interprets subtraction

"a number" interprets a variable (x)

The answer would be

x = 24
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Choosing 4 men from seven can be done in 7C4 = 35 ways
(There are 7 to choose from then 6 and 5 and 4 = 7 x 6 x 5 x 4
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Similarly choosing 4 women from 11 can be done in 11C4 = 330 ways.

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2 years ago
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