Answer:
15 seconds at high speed
1 sec = 40 cm
15 sec = 40 x 15
15 sec = 600 cm
30 seconds at low speed
1 sec = 15 cm
30 sec = 15 x 30
30 sec = 450 cm
Total distance = 600 + 450 = 1050 cm
Explanation:
1200 cm
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