2 11. Two types of rice are sold in the market. Type I is sold at 10 kg for RM 9.20 whereas type II is sold
5 kg for RM 6.90. Find the ratio of their prices per kg.
12. The sides of two squares are 8 m and 20 m. Find the ratio of:
a. their perimeters,
b. their areas.
13. A rectangle measures 32 cm by 24 cm. If its measurements are changed to the ratio 5 : 4 to obtain
second rectangle, find the ratio of:
their perimeters;
b.
their areas.
a.