first number is 25% less than the third number and the second number is 50% of the third number. Find what percent of the second number is the first number.
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1
Answer:
Let A, B, C be three numbers.
Let B is 20% less than A , and C be 25% less than A.
Let A be x, then
B = x - 20% of x = x - ( 20/100 )x = 80x/100 = 0.8x
C= x - 25% of x = x- 25/100x = 75x/100 = 0.75x
Now we have to find out how much % C is less than B so
08x075x08x100
005x08x100
10016
625
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Step-by-step explanation:
Answered by
0
Let three numbers be x,y,z;
X is 25% less than 3rd number,
=>(3/4)x=z;
=>(1/2)y=z;
=>(1/2)y=(3/4)x,
=>x=(2/3)y,
=>2/3*100=66.66%
Therefore 66% of second number is first number.
X is 25% less than 3rd number,
=>(3/4)x=z;
=>(1/2)y=z;
=>(1/2)y=(3/4)x,
=>x=(2/3)y,
=>2/3*100=66.66%
Therefore 66% of second number is first number.
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