Question

Ami is 160 cm tall.
The ratio of Ami's height to Nadia's height is 8: 7.
Work out how many centimeters taller Ami is than Nadia.​

Answer 1

Given,

Height of Ami = 160 cm

Ami's height : Nadia's height = 8:7

To find,

how many centimeters taller Ami is than Nadia.

Solution,

We can simply solve this mathematical problem by using the following mathematical process.

Let, the height of Ami = 8x cm

And, the height of Nadia = 7x cm

According to the data mentioned in the question,

8x = 160

x = 20

Nadia's height = 7×20 = 140 cm

Ami is taller than Nadia for = 160-120 = 40 cm

Hence, Ami is 40 cm taller than Nadia.

Answer 2

ABOVE ONE IS WRONG

Let, the height of Ami = 8x cm

And, the height of Nadia = 7x cm

According to the data mentioned in the question,

8x = 160

x = 20

Nadia's height = 7×20 = 140 cm

Ami is taller than Nadia for = 160-140 = 20 cm