roblems: What Number is Missing? ach of these word problems involving percents, figure out which number art, the Total or the Percent? Circle the missing number on the equation You do NOT need to actually solve these word problems. ree has 12 coconuts on othe coconuts fell to the v many fell? \( \begin{array}{l}\text { Percent } \\ =\frac{\text { A rain barrel can hold } 50 \text { gallons of }}{\text { water. If there are } 32 \text { gallons inside of }} \\ \text { it, what percent of the barrel is full? }\end{array} \) \( \begin{array}{ll}100 & \frac{\text { Part }}{\text { Total }}=\frac{\text { Percent }}{100}\end{array} \)
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Bonus Knowledge
Did you know that percentages have been around for centuries? The concept dates back to the ancient Babylonians who used a base-60 system for calculating taxes and trade. By the time we reached the Middle Ages, merchants in Europe were using percentages to figure out profits and interest on loans, setting the stage for modern finance as we know it! In the real world, understanding percentages is crucial for managing your finances, whether you're calculating discounts during a shopping spree or determining interest rates on a loan. It's used everywhere—from budgeting to investing! Knowing how to find that missing number in a percentage equation can help you make informed decisions in your daily life, ensuring you get the best deals and manage your money wisely.