Question no. 2 of page no. 77 from the chapter "Average" of textbook "Shaping Maths AB 5B Part I - Solutions" Solve this.
a) 240 km, 300 km, 200 km, 280 km and 200 km 240 + 300 + 200 + 280 + 200 = 1220 The sum is 1220 km. 1220 km 5 = 244 km The average is 244 km. |
b) $4.85, $3.65 and $6.20 4.85 + 3.65 + 6.20 = 14.7 The sum is $14.7. $14.7 3 = $4.9 The average is $4.9. |