4% of 5200 = 8% of which number?

Name: 4% of 5200 = 8% of which number?
Uploaded: 2011-02-08
Description: Solution 4% of 5 200 is the same as $0.04\cdot5\,200$, so we can set:$$0.04\cdot5\,200=0.08x$$Solve for $x$ \begin{align}208&=0.08x\\\frac{208}{0.08}&=x\\x&=2\,600\end{align}Answer: B

9. 4 percent of 5 200 is equal to 8 percent of what number?

10 400
2 600
416
208
46

4% of 5 200 is the same as $0.04\cdot5\,200$, so we can set:$$0.04\cdot5\,200=0.08x$$Solve for $x$ \begin{align}208&=0.08x\\\frac{208}{0.08}&=x\\x&=2\,600\end{align}

Answer: B