The answer is 6, this is because the first step is you put the numbers in order then you find the mode by seeing what number is the most
700beats/10min=70bpm
2 min to beat 140 times
<span>Kevin is 16
Timothy is 10
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check:
4 yrs ago Kevin was 12
4 yrs ago Timothy was 6
Kevin was twice his age
OK</span>