Question

Which of the following ratios is not equiva-lent to 10:5?(a) 1:2(b) 2:1(c) 20:10(d) 30:15.

a
b
c
d​




please answer

Answer 1

Answer:

a) 1:2

Step-by-step explanation:

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Answer 2

Answer:

a is the correct answer.

Step-by-step explanation:

a) 10:5 ≠ 1:2

b) 10 ÷ 5 = 2

5 ÷ 5 = 1

10:5 = 2:1

c) 10 × 2 = 20

5 × 2 = 10

10:5 = 20:10

d) 10× 3 = 30

5 × 3 = 15

10:5 = 30:15

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