Answer:
68
Step-by-step explanation:
Switch sides
5(0.06m+19.7+0.3(19.7))=148.45
Divide both sides by 5.
This equals 0.06m+25.61=29.69
Subtract 25.61 to both sides.
This equals 0/06m=4.08
Divide both sides by 0.06
This equals m = 68
