factorize:a^2-b^2-2b-1
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Answer ♡
Given,
• if 40% of a number is equal to
two third of another number.
To find ,
• Ratio of the first number to the
second number .
Solution ,
Let
• A and B be the two number
such that.
According to the question
• 40% of A = 2/3 B
Now ,
• 40 A/100 = 2B/3
• A/B = (2/3 × 5/2)
• A/B = 5/3
• A:B = 5:3
Hence,
• the ratio of the first number to
the second number is 5:3
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