Can You Solve This Riddle? | SAT Distance-Time Trick | 90% Fail! #shorts #math #riddlemathworld

A real-world SAT-style speed question using distance, rate, and time — but most students forget the one key step.This short video teaches you the FASTEST strategy for solving travel problems in seconds.
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“Only 1 in 10 students get this running-speed riddle right — can YOU solve it?”
A circular track has a circumference of 400 meters.Mia runs at 5 m/s.
How many seconds does she take to complete 3 laps?

Options:
A) 180 secondsB) 200 secondsC) 220 secondsD) 240 seconds

Correct Answer:
D) 240 seconds

Explanation):
Step 1 — Find total distance
Track circumference = 400 meters3 laps →
3
×
400
=
1200
 meters
3×400=1200 meters
Step 2 — Use the distance-rate-time formula
Time
=
Distance
Speed
Time=SpeedDistance
Time
=
1200
5
Time=51200
Step 3 — Calculate
1200
5
=
240
 seconds
51200 =240 seconds
✔ Final Answer: 240 seconds
Forgetting to multiply by 3 laps
Using minutes instead of seconds (unit confusion)
Doing “400 ÷ 5 = 80” and mistakenly choosing 80
Forgetting the distance-rate-time formula
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Видео Can You Solve This Riddle? | SAT Distance-Time Trick | 90% Fail! #shorts #math #riddlemathworld канала Riddle Math World - HOPOE