8 is 40% of what number
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8 is 40% of what number
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Answer:
20
40% of 20 is 8. 100% of 20 is 20, therefore 40 percent of 20 equals 8.
Step-by-step explanation:
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Answer:
20
Step-by-step explanation:
formula: P ÷ R= B
STEP 1: CONVERT PERCENT TO DECIMAL BY MOVING THE DECIMAL POINT TWO PLACES TO THE LEFT.
NOTE: THE DECIMAL POINT OF A WHOLE NUMBER IS AT THE RIGHT END. SO THAT MEANS THE DECIMAL POINT OF (24) IS RIGHT HERE AT THE END (24.) SO IF YOU MOVE IT TWO PLACES TWO THE LEFT IT WILL TURN INTO THIS (0.24)
8÷ 40%
8÷ 0.4
STEP 2: DIVIDE THE PERCENT AND THE RATE.
8÷ 0.4= 20
The answer is 20
8 is 40% of 20
STEP 3: CHECK - In this step we check if our answer is correct. To check, we need to multiply the rate by the base. If the answer is the percent then your answer is correct.
40% converted to decimal is 0.4
R× B = P
0.4 × 20 = 8
So therefore 20 is the correct answer
NOTE: 8 - Is the percentage
40% or 0.4 - is the rate
20 - Is the base
Hope it helps!
=)