Question 1130116
Total time = {{{ 12 + 300 + 400 = 712 }}} sec
Total distance = {{{ 100 + 1000 + 500 = 1600 }}} m
Average speed is [ total distance ] / [ total time ]
{{{ 1600/712 = 2.2472 }}} m/sec
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{{{ 100/12 = 8.333 }}} m/sec
{{{ 1000/300 = 3.333 }}} m/sec
{{{ 500/400 = 1.25 }}} m/sec
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