GMAT Official Guide Quantitative Review 2019_ Book

3.4 Word Problems

Example 3:

DISTRIBUTION OF AL'S WEEKLY NET SALARY

Fuel and

Al's weekly net salary is $350. To how many of the categories listed was at least $80 of Al's weekly
net salary allocated?

Solution: In the circle graph, the relative sizes of the sectors are proportional to their corresponding

叫uesand the sum of the percents given is 100%. Note that—^80 is approximatel
350 y 23%, so at least $80
was allocated to each of 2 categories —Rent and Utilities, and Savings—since their allocations are each
greater than 23%.