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A cyclist covers $\frac{3}{4}$ of a 24 km route, then rides $\frac{1}{2}$ of what remains.
How many kilometres of the route are still left?

Class 7Operations on Rational NumbersRational Numbers

A2
B3
C4
D6

Step-by-Step Solution

Covered first =

\frac{3}{4} \times 24 = 18

; remaining = 6. Then

\frac{1}{2} \times 6 = 3

more covered; left = 6 - 3 = 3 km.

Answer: B) 3

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