Maths in Daily Life

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Math is simply logic and reasoning. Math is present in every day life and is being used even when people don't realize they are using mathematical reasoning. From balancing a checkbook, baking a cake or trying to choose which credit card offers the best deal, the logic of math is being used. Universal Language The language of math is numbers, and all cultures use the same mathematical concepts. The language of math is universal. Math is logic, plain and simple. Regardless of what spoken language we use, all people can see that if there are six apples in a room of three people, each person can eat two apples. At the same time, if there are six apples and seven people then somebody may go without. Checking Accounts • The most obvious place people use math in daily life is balancing the checkbook. Simple addition and subtraction helps a person budget. For example, if John has $10 in his bank account, and he deposits (addition) $90 then he has $100. John can now afford to buy $80 worth of groceries (subtraction) and he will have $20 left in his account. John also wants to buy a $30 table for his apartment. Simple math tells him he must wait for his next paycheck to do so. Credit Cards • An understanding of mathematical logic helps people determine whether a credit card is really as great a deal as the bank wants them to think. APR stands for Annual Percentage Rate. The APR is the amount of interest that accrues on unpaid balances. While it is extremely important that credit card users read the fine print, many credit cards give a grace period of, for example, 25 days before interest starts to accrue. So, Jane has a credit card with an 18 percent APR. Jane makes a purchase of $100 on her credit card. After the grace period, interest starts to accrue. Jane will be sent a bill each month. The monthly periodic rate of interest is the APR divided by 12. Jane's

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