Cual es el resultado de dos tercios por cuatro quintos​

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

Vertical angles must check all that apply

Acertain drug is made from only two ingredients: compound a and compound b. there are 3 millimeters of compound a used for every 4 millimeters of compound b. if a chemist wants to make 693 milliliters of the drug, how many milliliters of compound a are needed?