A certain drug is made from only two ingredients: compound a and compound
b. there are 3 milliliters of compound a used for every 5 milliliters of compound
b. if a chemist uses 201 milliliters of compound a, how many milliliters of the drug will be made?

Respuesta :

201ml of a needs 201/3×5 ml of b=335ml of b. Therefore 201+335=536ml of the drug are made.