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Mathematics

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Please help! 15 pts!
Ivanna, Andrea, Tabitha and Mary are sisters. Their father tells them that they will not be allowed to travel to Hawaii by themselves until their average age is 21. Right now, their ages are 19, 15, 14, and 12. In how many years will they be able to go to Hawaii?

Answer :

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Answer:

6 years

their average age now is 15

so, in six years the average age will be 21

Step-by-step explanation:

If im wrong you have my regrets

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