bob2637 bob2637

23-11-2020
Mathematics

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Lee is y years old
Toby is 8 years younger than lee
the sum is of their ages is less than 41
write down in terms of y an inequality to show this information

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29-11-2020

Answer:

Age of Lee = y years

Age of Toby = (y - 8) years

Sum of their ages < 41

or, y +y - 8 < 41

or, 2y - 8 < 41

Adding '8' on both sides,

or, 2y - 8 + 8 < 41

or, 2y < 41

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