Answer:
[tex]\frac{30}{75}[/tex]
Step-by-step explanation:
Given : A jar contains 75 marbles.
2/5 of the marbles are black.
To Find : What fraction of the marbles are black, using 75 as the denominator
Solution:
Total marbles = 75
2/5 of the marbles are black.
No. of black marbles = [tex]\frac{2}{5} \times 75[/tex]
= [tex]30[/tex]
So, fraction of the marbles are black, using 75 as the denominator = [tex]\frac{30}{75}[/tex]
