Mathematics, 25.08.2021 21:20 Krazyyykiddd
Alvin's age is two times Elga's age. The sum of their ages is 81 . What is Elga's age?
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The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.
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Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?
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Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6
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Alvin's age is two times Elga's age. The sum of their ages is 81 . What is Elga's age?...
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