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 wants to make 680 milliliters of the drug, how many milliliters of compound B are needed

Respuesta :

Answer:

425 ml.

Step-by-step explanation:

into ratio units of (5+3), you can find out how many times 8 goes into 680. Multiply by 5.