Kellie randomly chooses a number from 1 to 10. what is the probability she
chooses a number less than 3?

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers