Mrs. Costa adds some petunias to take up of 2/8 of the garden. The amount of the garden used by tulips says the same. If the rest of the garden is daffodils, how much of the garden is daffodils?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate

How do you write 600 as a product of its prime factors (index! )