[tex] P48.00 ---- 100 \ \%\\ P50.40 ---- x \ \\\\x \ = \frac{P50.4\cdot 100 }{P48} =\frac{P5040}{48}=105 \ \% \\ \\ 105 \ \% -100 \ \% = 5\ \% \\ \\check: \\\\P48 \cdot 5 \ \%=P48\cdot 0.05 = P2.40 \\ \\ P48 + P2.40=P50.40\\ \\Answer: \ Price \ increased \ by \ 5 \ \%
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