How to decompose numbers?

Answer is given below with explanations

Step-by-step explanation:

Decomposing numbers means to break down numbers into their sub-parts.

Simply it means splitting a number into hundreds,

tens and ones

for example : 425=400+20+5

In high school decomposing numbers means breaking the numbers into its prime factors.

FOR Example :35=5×7

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36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls