Question

John O'Sullivan has just completed his first year in business. His records show that he spent the following in advertising:

Answer 1

Answer:
% of yellow pages = 29.787%

Explanation:
% of yellow pages = $\frac{cost of yellow pages}{total cost} * 100$

We have:
cost of yellow pages = $700
Total cost = 600 + 650 + 700 + 400 = $2350

% of yellow pages = $\frac{700}{2350} *100$
% of yellow pages = 29.787%

Hope this helps :)

Answer 2

Approximately 30% was spent on the yellow pages