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Omni-MATH / The regular price for a bicycle is 320. The bicycle is on sale for 20% off. The regular price for a helmet is 80. The helmet is on sale for 10% off. If Sandra bought both items on …

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problem

The regular price for a bicycle is $320\$320. The bicycle is on sale for 20%20\% off. The regular price for a helmet is $80\$80. The helmet is on sale for 10%10\% off. If Sandra bought both items on sale, what is her percentage savings on the total purchase?
Plain-text mathematical notation (without MathML)
The regular price for a bicycle is $320. The bicycle is on sale for 20% off. The regular price for a helmet is $80. The helmet is on sale for 10% off. If Sandra bought both items on sale, what is her percentage savings on the total purchase?
Original LaTeX notation
The regular price for a bicycle is $\$320$. The bicycle is on sale for $20\%$ off. The regular price for a helmet is $\$80$. The helmet is on sale for $10\%$ off. If Sandra bought both items on sale, what is her percentage savings on the total purchase?

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