Abag contains 40 marbles, some white some red. the ratio of white marblesto red ones is 1: 7. how many red marbles are there?

Which fraction below is equivalent to 10/12?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)