To find the percentage of 28 from 70:
28/70=0.4
0.4=40%
It would be 15,20,29.... if you use pythagorean the rest dont work
Answer:
Step-by-step explanation:
1. multiply both sides by 2
<em>3b-4=2c</em>
2. add 4 to both sides
3b=2c+4
3. divide both sides by 3
b= 
It mostly depends on what operation you are doing.
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Step-by-step explanation: