Answer:
5/12
Step-by-step explanation:
Given that:
Ratio of Red to white marbles = 7 to 5
Total = (7 + 5) = 12
Number of red marbles = 7
Number of white marbles = 5
Hence, fraction of white marbles = (number of white marbles / total number of marbles)
Fraction of white marbles = 5/12
