How to Calculate Percentage of Blue Marbles in a Jar

What percentage of marbles in a jar are blue?

Out of 900 marbles, 60% are blue. How many marbles are blue?

Answer:

The percentage of blue marbles in the jar is 60%. To calculate the number of blue marbles:

Step by-step:

1. Convert the percentage (60%) into a decimal by dividing 60 by 100: 60/100 = 0.6

2. Multiply the decimal by the total number of marbles (900): 0.6 x 900 = 540 blue marbles

Calculating the percentage of blue marbles in a jar can be done by converting the percentage into a decimal and then multiplying it by the total number of marbles. In this case, with 60% of 900 marbles being blue, we find that there are 540 blue marbles in the jar.

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