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What is the lengths of the marked portions?

What Is The Lengths Of The Marked Portions class=

Sagot :

Answer:

25, 45, 30

Step-by-step explanation:

(a)

The line is divided into 3 parts, that is 75 ÷ 3 = 25

The 1 part is then 25 units

(b)

The line is divided into 5 parts , that is 75 ÷ 5 = 15

The 3 parts are then 3 × 15 = 45 units

(c)

The line is divided into 5 parts, that is 50 ÷ 5 = 10

The 3 parts are then 3 × 10 = 30 units