A school raise $17,000 for science lab 42% of the money is used to purchase laptops how much money is used to buy laptops show your work

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder