Yeshgggghhgfgggggggy. B be cc
The original expression is given by:

The correct way to rewrite the expression is given by:

For this, we use two properties:
Associative property:
The way of grouping the factors does not change the result of the multiplication:
Commutative property:
The order of the factors does not vary the product:
700beats/10min=70bpm
2 min to beat 140 times
6/100 • 30 = 1.8
1.8 + 30 = 31.8
Answer is $31.8