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shutvik [7]
3 years ago
15

Please help I have 30 mins to slove

Mathematics
1 answer:
Nina [5.8K]3 years ago
7 0

Answer:

82

Step-by-step explanation:

Since the sum of the two digits is 10, there are some pairs, such as 46, 64, 28, 82, 55,37, 73. And flip them around and see if the difference between the two numbers is 54. So one example is 82-28=54, so that is the answer. It can't be 28 or 46 because it said less than. I am not good at explaining, but I hope you guys understand. Thank you :D

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Therefore, amount invested at 7% is $16000 and amount invested at 9% is 28000-16000=$12000.

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