In what proportion must rice at $0.8 per pound be mixed with rice at $0.9 per pound so that the mixture costs $0.825 per pound?

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anonymous · Answer

21) A coffee shop blends 2 kinds of coffee, putting in 2 parts of a $0.33 pound grade to 1 part of a $0.24 grade. If the mixture is changed to 1 part of the $0.33 grade to 2 parts of the less expensive grade, how much will the shop save in blending 100 pounds?

anonymous · Answer

The avers age of 9 numbers is 6, average of these 4 numbers is 10. Now what is the average of other 5 numbers?

anonymous · Answer

The avers age of 9 numbers is 6, average of these 4 numbers is 10. Now what is the average of other 5 numbers?

anonymous · Answer

To day is Friday and you have $160 in your pocket. On Saturday you lost $40, Sunday half of your lost money has been found, Monday half of your lost money you got back and you lost once again more $20. On Tuesday your father gave you $80 and you lost one sixth of your still lost money has been returned to your pocket. On Wednesday, you borrowed $30 but lost $35. What is the percent change of your money at the end of the day on Saturday and at the end of Friday?

anonymous · Answer

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