There is no picture? this doesn't really make sense <span />
Answer:
738
Step-by-step explanation:
Start by multiplying..
23 x 33 = 759
Next subtract..
759 - 21 = 738
<h2>
<u>Final answer is 738</u></h2>
Use the rule of 3 simple
1680 beats ------- 60 min.
x beats -------------- 1 min.
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x = (1680*1)/60 = 1680/60 = 168/6 = 28 beats per minute
hope helped
