Mathematics, 20.04.2021 14:00 duplessistoccara
A man is four times as old as his son. In five years he will be only three times as old as his son. What is the man's present age?
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Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.
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Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?
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A man is four times as old as his son. In five years he will be only three times as old as his
son...
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