Write a proportion and solve. <------ Directions
If the heart beats 75 times in 1 minute, how many times should it beat in 1 hour at the same rate?
75 times / 1 minute = x times / 60 min
75 / 1 = x / 60 cross-multiply
60 * 75 = 1x
4500 = x
4500=x bro that was obivous man
+94 
