The price of a jacket is twice that of a skirt. How much is a skirt? Use the equation to solve

Suppose a skirt costs X Yuan
6(x+2x)=810
3x=135
x=45
A: 45 yuan for a skirt

A suit is 320 yuan, of which the price of pants is 60% of the top. How much are the prices of the top and pants?

The total number of copies: 3 + 5 = 8 (copies), the price of top: 320 × 58 = 200 (yuan); the price of trousers: 320 × 38 = 120 (yuan) or 320-200 = 120 (yuan); or the price of top: 320 △ 1.6, = 200 (yuan), the price of trousers: 200 × 60% = 120 (yuan); a: the price of clothes is 200 yuan; the price of trousers is 120 yuan

It costs 450 yuan to buy a suit. The price of the coat is twice that of the trousers. How much is the coat and the trousers

Set pants X Yuan, coat 2x yuan
x+2x=450
3x=450
x=150
450-150 = 300 yuan
A: 150 yuan for pants and 300 yuan for tops

What is the net content of mineral water

560
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