2021 Math Kangaroo Levels 5-6 Problem #25

2021 Math Kangaroo Levels 5-6 Problem #25 25. In a particular fraction the numerator and denominator are both positive. The numerator of this fraction is increased by 40%. By what percentage should its denominator be decreased so that the new fraction is double the original fraction? (A) 10% (B) 20% (C) 30% (D) 40% (E) 50% Thank you for watching and please subscribe if you would like to see more videos!