103 is 20% of what number
Use property of proportions:103 ---------- 20% x ---------- 100%\(x=\frac{103*100}{20}=\frac{10300}{20}=515\)So, 103 is 20% of 515
\(x \cdot 20 \% =103 \\ \\ x\cdot \frac{20}{100}=103 \\ \\ \frac{1}{5}x=103 \ \ / \cdot 5\\\\x=515 \\ \\Answer: \ number \ is \ 515\)
