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secondary 4 | E Maths

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Hi can someone pls explain to me the ratio how did the number 8.7 even come abt?

Pls explain tysm

0.0499 : 0.436

We divide left hand side by 0.0499

= 0.0499/0.0499 =1

Then right hand side also have to divide by 0.0499

= 0.436/0.0499 = 8.73747495

Round off to 8.7

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