Ask Question
1 August, 07:41

In a box of marbles, the ratio of red marbles to total marbles is 2:5. the ratio of green marbles to total marbles is 3:10. if the marbles that are neither red nor green are blue, how many blue marbles are in the box if there are 40 marbles in the box?

+1
Answers (1)
  1. 1 August, 07:53
    0
    Ratio:

    Red : Total

    2 : 5

    (x2) (x2)

    4 : 10

    Green : Total

    3 : 10

    Total of red and green marbles = 4 + 3 = 7

    Blue marbles = 10 - 7 = 3

    10 parts = 40 marbles

    1 part = 40 : 10 = 4

    3 parts = 4 x 3 = 12

    Answer: There are 12 blue marbles.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “In a box of marbles, the ratio of red marbles to total marbles is 2:5. the ratio of green marbles to total marbles is 3:10. if the marbles ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers