The pie graph shows the sale of 4320 books in a bookstore during 6 weeks. The books sold in the fourth week are represented by 42°. How many books were sold in the fourth week?
The pie graph shows the sale of 4320 books in a bookstore during 6 weeks. The books sold in the fourth week are represented by 42°. How many books were sold in the fourth week?
Explanation
To find the books sold in the 4th week:
Total books = 4320
Total angle in pie chart = 360°
Books sold in 4th week = 42/360 × 4320
= 4320 × 42/360
= 4320 × 7/60
= 504