hellonwood40 Posted October 25, 2022 Share Posted October 25, 2022 Multiply your current shoe size by five and then double that number. The second step is to add 50 to that sum, followed by another 20. After subtracting your birth year from that sum, you add 1,015. Two numbers of the four-digit number represent your shoe size, while the remaining two represent your age. Whether or not a birthday was celebrated, your shoe size and the year you were born are all mandatory fields. Consider the birth year to be Y and the shoe size to be s. This is supposing the birthday actually happened. https://mycalcu.com/ First, we'll pretend s is the nearest integer (say 4, 5, 10, et cetera) Here's Step 2: s / 5 = 5 * s = 5 s. Third, add 50 to the result of multiplying 5 s by 50. Divide by 20, and you get: (5 s + 50) * 20 = 5 s * 20 + 50 * 20 = 100 s + 1000 Fifth, add 1020 if you have a birthday this year, or 1019 if you don't. Let's say your birth year is 1020. happened. The sum of 100 and 1000 is 1020, which is the same as 100 and 2020. It is the year 2020, so mark your calendars!! Subtract the person's birth year in Step 6. What do 100 years plus 2020 equal? (2020 – Y). It's our birthday in the year 2020 - Y (the year we were born)! RIGOROUS RULE FOR DETERMINING SHOE SIZE: First, round your actual foot measurement up to the next whole number. Multiply the total by 2.5 to get the answer 3. Add 50. Multiply by 20, then divide again. When it's your birthday Quote Link to comment Share on other sites More sharing options...
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