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murzikaleks [220]

4 years ago

13

The sum of n A.M.'s between two numbers is 20. If the last mean is double of the first and one number is three times the other,

then find the number

1 answer:

tester [92]4 years ago

4 0

Answer:

120

Step-by-step explanation: because you add 20 twice and thts 40 and 40 times 3 is 120

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