Answer:
b = 60
Step-by-step explanation:
6+3/5b = 7/10b is our initial equation
Let's change 3/5 into it's equivalent: 6/10
Now we have: 6+6/10b=7/10b
Subtract 6/10b from both sides: 6=1/10b
If we cross multiply, we will get b's value which is 60
