Calculate 4.5 over 90 as a percentage:
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Calculate 4.5 over 90 as a percentage:
To solve the problem of calculating what percentage 4.5 is of 90, we will employ the percentage formula:
Step 1: Identify the given numbers. We have as the part and as the whole.
Step 2: Apply the formula for percentage:\
\text{Percentage} = \left( \frac{\text{part}}{\text{whole}} \times 100 \right)\%
Step 3: Insert the given values into the formula:
\( \text{Percentage} = \left( \frac{4.5}{90} \times 100 \right)\%
Step 4: Calculate the fraction :
Step 5: Convert the fraction to a percentage by multiplying by 100:
Therefore, 4.5 is 5% of 90, which corresponds to choice id="1".
Thus, the solution to the problem is that 4.5 over 90 as a percentage is 5%.
5%
Calculate 15% of 100:
It's tempting to think the percentage equals the numerator, but that's not how percentages work! 4.5% would mean 4.5 out of 100, not 4.5 out of 90. Always use the formula: (part ÷ whole) × 100.
The part (what you're finding the percentage of) goes on top, and the whole (what it's out of) goes on bottom. Here, we want to know what percentage 4.5 is of 90, so 4.5 is the part.
Yes! simplifies to by dividing both by 4.5. Then . This can make the calculation easier!
That's completely normal! Many percentage problems result in decimals like 3.75% or 12.5%. Just make sure to round appropriately if the problem asks for it.
Ask yourself: "Is 4.5 about 5% of 90?" Since 5% means 5 out of 100, and 90 is close to 100, we'd expect about 4.5. Our answer of 5% checks out!
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