Page 83 - 091math-wb-w6-(equations&inequalities-1)

Workbook

3 7 11
6. If   then find the numbers equivalent to a:b:c
4a 8b 12c

7. The men share a sum of money in ratio 7:5:14. If the second receives 1800 TL less than third then the
third receives?

3
5
8. In a class, the ratio of the number of girls to the number of boys is , what can the least number
0.24
of students be in the class?

9. If 3 machines can sew 150 shirts in 6 days, how many machines of the same type can sew 300 shirts in
9 day?

10. If a wire 418 cm long is cut into pieces inversely proportional with 2, 4 and 5 find the smallest piece.

11. The kinetic energy of a body varies as the square of its velocity. Find the ratio of the kinetic energy of a
car at 40 km/hr to that of the same car at 60 km/hr.

83 091math-wb-w6-(equations&inequalities-1)