SOLUTION: FInd the value of P and Q if P is 30% of Q and P+Q=130

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Question 818787: FInd the value of P and Q if P is 30% of Q and P+Q=130
Answer by jhunjiro(67) About Me  (Show Source):
You can put this solution on YOUR website!
Given:
P%2BQ=130eq. 1
P=.3Q+ eq. 2
Solution:
Substitute P in eq.1
.3Q+%2B+Q=130
1.3Q+=130+
+1.3Q%2F1.3=130%2F1.3
+Q=100
+P=.3%28100%29+
+P=30
Final Anwer:
+Q=100
+P=30