Anyone i am dumb and don’t know how to do percentages! and i have a quiz tomorrow on ! (a) 25% of 200 is what number? (b) 200 is 25% of what number? (c) express 2/25 as a decimal; as a percent. (d) express 24% as a decimal; as a fraction.

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Step-by-step explanation:

First you must multiply the number by the percent, then divide by 100.

To express a percentage to fraction, you simply divide the number by 100.

Example: 24% is 24/100

When they say "of" its means mutiple

Example: 25% of 200 is (25/100) × 200

When they already present the answer to you, you assume the number to be unknown and solve for it algebratically

Example: 200 is 25% of what number

So let the unknown number be n

Then 25% of n = 200

That is (25/100) × n = 200

Now you solve for n

To change a decimal to percent, you times it by 100 and round it to the nearest whole number

Example: 0.25 is 0.25 × 100 = 25%

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step-by-step explanation:

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c

step-by-step explanation: