Question

7 State which of the following are in proportion,
a 10:30 :: 15:45 b 8:40 :: 5:30
35:20 p ::75:3
Find the role of​

Answer 1

Answer:

a)10:30:: 15:45

Step-by-step explanation:

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Answer 2

Answer:

a 10:30::15:45

Step-by-step explanation:

a 30×15=450

10×45=450

hence it is in proportion

b 40×5=200

but 30×8=240

c 20×7=140

but 35×3=105 .

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