Question

A) The ratio 15 minutes to 1 hour can be written in the form 1:n.

Find the value of n.
b) The scale on a map is 1 : 15000
How many kilometres on the ground would be represented
by 12 cm on the map?
c) Lisa and Ant share some money in the ratio 5: 8.
What fraction of the money does Lisa receive?

Answer 1

a)

n=4

b) 18

c)5/13

Explanation:

a)

n=4 because the ratio 15:60 minutes can be simplified into 1:4 since n is instead of 4,

n=4

b) since 1 centimeter is 15000 centimetre in real life

12 cm would be 15000 X 12 wich is 180000cm

cm to kilometre is to divide by 10000

180000 divide by 10000 is 18

c) total is 5+8 wich is 13. Lisa has 5 of 13 wich is 5/13