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Lyor Cohen: the man who brought hip-hop into the mainstream

Lyor Cohen: the man who brought hip-hop into the mainstream

Times17 hours ago

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Grade-school math sum leaves people scratching their heads... can you solve the simple problem in 30 seconds?
Grade-school math sum leaves people scratching their heads... can you solve the simple problem in 30 seconds?

Daily Mail​

timean hour ago

  • Daily Mail​

Grade-school math sum leaves people scratching their heads... can you solve the simple problem in 30 seconds?

What seemed like a regular grade school math problem had people totally stumped on social media. The equation 9 x 3 - 9 shared by @BholanathDutta on X left social media users completely mystified. So, are you smarter than a fourth grader? Or better yet, the average adult on X? See if you can solve this equation in 30 seconds or less. But first, here's a hint: Ever heard of PEMDAS? The age-old acronym guides you through the proper order for solving a complicated calculation like this one. It stands for Parentheses, Exponents, Multiplication, Division, Addition, and then Subtraction. Using that method, the solution is easy. There are no parentheses or exponents, so multiplication is first. 9 x 3 = 27 Then, the equation reads: 27 - 9 ÷ 3 But before doing any subtraction, PEMDAS implies that division is next. 9 ÷ 3 = 3 Now, it's painless. 27 - 3 = 24 Did you get it right? Commenters under the original X post made the common error of solving the math sum left to right, instead of utilizing the elementary principle. First they multiplied. 9 x 3 = 27 Then, subtracted. 27 - 9 = 18 And then divided. 18 ÷ 3 = 6 A few people even, inexplicably, got 9 as their answer. It had to take some mental gymnastics to find that solution. Sure, a calculator could be an easy shortcut. But, nothing beats the satisfaction of solving a problem yourself.

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