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It costs 24 yuan to buy 5 kg apples and 6 kg pears. The unit price of pears is 5 / 6 of that of apples. What are the unit prices of apples and pears?
Let the unit price of apple be X
So the unit price of pears is 5 / 6x
Then the equation is given
5x+6*（5/6）x=24
The solution is x = 2.4
The price of 3kg pear and 7kg apple is the same, 4.8 yuan less than that of pear per kg. What are the unit prices of pear and apple?
Apple is 3 / 7 of pear
Unit price of pear 4.8 △ 1-3 / 7 = 4.8 △ 4 / 7 = 8.4 yuan
Apple 8.4-4.8 = 3.6 yuan
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Party A and Party B take out the same money to buy a basket of apples, a points to 12 kg, B points to 18 kg
Results B home to pay a 9.6 yuan, asked how much apple per kilogram
It's easy to understand
On average, two people take the same money, no one should get 15 kg
A got 3 kg less and got a compensation of 9.6 yuan
Prove that the price of apple is 9.6 / 3 = 3.2 yuan
The total calculation process is 9.6 / {(12 + 18) / 2-12} = 3.2
Party A and Party B bought 15 kilograms of apples together, but Party A took 5 kilograms. Later, Party B paid 10.5 yuan to Party A, because they paid the same amount of money at the beginning. How much is a kilogram of apples?
Everyone deserves it
15 △ 2 = 7.5kg
A little less
7.5-5 = 2.5kg
A kilogram of apples
10.5 △ 2.5 = 4.2 yuan
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