Your docter prescribes you to take 400 milagrams every 8 hours. how many ounces of medicene do you take in a day?

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

What is the value of x in the equation7x+2y=48 when y=3