Question

1. a jar has 64 marbles - 1/8 of the marbles are green - 25% of the marbles are yellow - 4 of the marbles are red - the rest of the marbles are blue how many blue marbles are there?

Explanation:

Step1: Calculate green marbles

To find the number of green marbles, we calculate $\frac{1}{8}$ of 64.
$\frac{1}{8} \times 64 = 8$

Step2: Calculate yellow marbles

25% is equivalent to $\frac{25}{100} = \frac{1}{4}$. So we find $\frac{1}{4}$ of 64.
$\frac{1}{4} \times 64 = 16$

Step3: Sum of non - blue marbles

We know the number of red marbles is 4, green is 8, and yellow is 16. The sum of non - blue marbles is $8 + 16+4=28$

Step4: Calculate blue marbles

The total number of marbles is 64. To find the number of blue marbles, we subtract the sum of non - blue marbles from the total number of marbles.
$64 - 28 = 36$

Answer:

36