2023
Mathematics
JAMB
Two numbers are respectively 35% and 80% more than a third number. The ratio of the two numbers is
A.
7 : 16
B.
3 : 4
C.
16 : 7
D.
4 : 3
Correct Answer: 3 : 4
Explanation
Let the third number = x Then the first number = 100% x + 35%x = 135x/100 = 1.35x (Note: 100% x=x) The second number = 180% x = 180x/100 = 1.80x ∴ The ratio of the first number to the second number = 1.35x:1.80x=3:4
Let the third number = x Then the first number = 100% x + 35%x = 135x/100 = 1.35x (Note: 100% x=x) The second number = 180% x = 180x/100 = 1.80x ∴ The ratio of the first number to the second number = 1.35x:1.80x=3:4THIS WEEK's
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