# What is 10 percent of 350?

A. 40
B. 38
C. 35
D. 45

Solution:
By using Substitution we form an equation

What\ \ \ is\ \ \ 10\%\ \ \ of\ \ \ 350

\downarrow\ \ \ \ \ \ \ \ \ \downarrow\ \ \ \ \ \ \downarrow\ \ \ \ \ \ \ \ \downarrow\ \ \ \ \ \ \downarrow\

x\ \ \ \ \ \ \ =\ \ \ \frac{10}{100}\ \ \ \ \times\ \ \ 350

x\ =\frac{10}{100}\times350

x\ =\ \frac{10\ \times350}{100}

x\ =\ \frac{3500}{100}

x\ =\ 35

Hence, 35 is 10 percent of 350.
We will be happy to hear your thoughts