Daily Mail on MSN

Supposedly simple math sum leaves people confused - can you solve it in 30 seconds?

Get out your timer and number two pencil to see if your arithmetic skills are still sharp.
Hosted on MSN

Solving a simple equations with exponents

Learn how to solve exponential equations. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we isolate the exponential part of the ...