3. "The difference between five-halves of a number and 17 is 48." How so I write this in an equation form

What expression is equivalent to (84+16)

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?

Carmen and matt are conducting different chemistry experiments in school. in both experiments, each student starts with an initial amount of water in a flask. they combine two chemicals which react to produce more water. carmen's experiment starts with 30 milliliters of water in a flask, and the water increases in volume by 8.5 milliliters per second. matt's experiment starts with 10 milliliters of water and increases in volume by 28% each second.