Advanced Mathematics Primary 3 Time

A school relay race has 4 legs. The first leg takes 58 seconds. The second leg takes 12 seconds longer than the first. The third leg takes the same time as the first leg. The fourth leg takes half the time of the second leg. How many seconds does the entire relay take?

A 221 seconds
B 244 seconds
C 256 seconds
D 209 seconds
Show Worked Solution

Worked Solution

Step 1: Find each leg's time. Leg 1 = 58 seconds Leg 2 = 58 + 12 = 70 seconds Leg 3 = 58 seconds (same as Leg 1) Leg 4 = 70 ÷ 2 = 35 seconds (half of Leg 2) Step 2: Add all four legs. Total = 58 + 70 + 58 + 35 = 221 seconds Answer: The relay takes 221 seconds.

Correct answer: 221 seconds

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