15 workers can complete a job in 45 days. In how many days will 5 persons do the same job?

Find the slope for - x+4y=8x

Solve the x. 1/2 (x-2) = 5

Antonio flies from houston to philadelphia, a distance of about 1340 miles. his plane travels with the wind and takes 2 hours and 20 minutes. at the same time, paul is on a plane from philadelphia to houston.

What is the solution to the equation 1/4x + 2 = - 5/8x - 5

Identify the sampling method as simple random sampling, systematic sampling, convenience sampling, or stratified sampling. A computer randomly selects 500 names from a list of all registered voters.

Katie and her brother are both writing a report. Katie wrote7/8of her report and her brother wrote3/7of his report. What is the best estimate of how much more Katie wrote than her brother?

What is the value of x? 3x/4x = 3x+7/5x-8

What is 35/20 as a mixed number

there are 110 calories per 28.4 grams of cereal X. find how many calories are in 42.6 grams of the cereal

Dominic has $15 for dinner. His meal costs $13.90 he wants to leave an 18% tip does he have enough money explain