Question

Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 7 liters of natural oil for every 5 liters of synthetic oil. If 623 liters of natural oil are used, how many liters of Petrolyn oil will be made?

Answer 1

7 liters of natural oil = 5 liters of synthetic oil
1 liters of natural oil=5/7 liters of synthetic oil
623 liters of natural oil=623*5/7 liters of synthetic oil

Answer 2

Does it help?

Answer 3

Petrolyn oil = natural oil + synthetic oil

Answer 4

im confused

Answer 5

445?

Answer 6

Petrolyn oil = 623 liters of natural oil + 623*5/7 liters of synthetic oil

Answer 7

that dont make since i did 623 and added it to 5/7

Answer 8

623 + 623*5/7 = 1068

Answer 9

got it?

Answer 10

i didnt add 2 623s ok got it

Answer 11

Great.