Question

A curry puff costs 90 cents. By setting inequality find the maximum number of curry puff that can be bought with $20.

Answer 1

SOLUTION

TO DETERMINE

A curry puff costs 90 cents. By setting inequality find the maximum number of curry puff that can be bought with $ 20

EVALUATION

$ 1 = 100 cents

∴ $ 20 = 2000 cents

Let n be the maximum number of curry puff that can be bought with $ 20

Now a curry puff costs 90 cents.

So by the given condition

$\sf{90n \leqslant 2000}$

$\displaystyle \sf{ \implies \: n \leqslant \frac{2000}{90} }$

$\displaystyle \sf{ \implies \: n \leqslant \frac{200}{9} }$

Which is the required inequality

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Answer 2

SOLUTION

TO DETERMINE

A curry puff costs 90 cents. By setting inequality find the maximum number of curry puff that can be bought with $ 20

EVALUATION

$ 1 = 100 cents

∴ $ 20 = 2000 cents

Let n be the maximum number of curry puff that can be bought with $ 20

Now a curry puff costs 90 cents.

So by the given condition

90n ⩽ 2000

⟹n⩽ 2000/90

⟹n⩽ 200/9

Which is the required inequality

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