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My mother bought a box of milk. I drank one fifth of the milk in five days. According to this calculation, is this box of milk enough for me to drink for twelve days?
It's not enough to drink 1 / 5 in 5 days, 2 / 5 in 10 days, 0.4 (2 / 5 = 0.4) / 5 = 0.08 (2 / 25), 2 / 5 plus 2 / 25 is 12 / 25
As shown in the figure, according to the information given in the figure, find out the price of each T - shirt and bottle of mineral water
Clothes clothes mineral water mineral water clothes mineral water mineral water mineral water mineral water
44 yuan in total 26 yuan in total
Lie equation
Set mineral water X Yuan, then clothes (22-x) yuan
2(22-x)+2x=(22-x)+3x+(44-26)
x=2
Clothes: 22-4 = 20 yuan
A: 20 yuan for clothes and 2 yuan for mineral water
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