Hi there! P=10+3m where m=20, of we plug the 20 in we get the equation of P=10+3(20). We use PEMDAS. We don't have any Parenthesis, we don't have any Exponents but we do have Multiplication 3(20), 3(20)=60. Now, we Add 60 by 10, 60+10=70. Therefore, the answer is 60.
