Question

(b) Write the ratio 12:30 in the form 1:n

Answer 1

answer:

1 : 2.5

explanation:

given ratio: 12 : 30

divide by 12:

• $\frac{12}{12}$ : $\frac{30}{12}$

• 1 : 2.5

n = 2.5

Answer 2

Solution:

Note that:

• 12:30 = 12/30

Simplify the denominator and the numerator.

• => 12/30 = 6/15 = 2/5 = 1/2.5
• => 1/2.5 = 1:2.5 (In ratio form 1:n)

The simplified ratio form of 12:30 is 1:2.5.