Mathematics, 04.06.2021 19:30 mads727

Hitomi uses the expression a-0.1a to represent a 10% discount on an amount a. Allen uses the expression 0.9a. Is Hitomi's expression correct? Is Allen's? Explain.

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Hitomi uses the expression a-0.1a to represent a 10% discount on an amount a. Allen uses the express...

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Hitomi uses the expression a-0.1a to represent a 10% discount on an amount a. Allen uses the expression 0.9a. Is Hitomi's expression correct? Is Allen's? Explain.​

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Another question on Mathematics

Hitomi uses the expression a-0.1a to represent a 10% discount on an amount a. Allen uses the expression 0.9a. Is Hitomi's expression correct? Is Allen's? Explain.