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The usual toll charge to use the Bingham tunnel is 50 cents. If you purchase a special sticker for $5.50, the toll is only 35 cents. At least how many trips through the tunnel are needed before the sticker costs less than paying for each trip separately?
 11 months ago
 11 months ago
The usual toll charge to use the Bingham tunnel is 50 cents. If you purchase a special sticker for $5.50, the toll is only 35 cents. At least how many trips through the tunnel are needed before the sticker costs less than paying for each trip separately?
 11 months ago
 11 months ago

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Bri_DurbinBest ResponseYou've already chosen the best response.0
trips taken at usual toll = 0.50 * x = 0.50x trips taken with sticker = 5.50 + 0.35x You want to know when they're equal to each other. 0.50x = 5.50 + 0.35x 0.15x = 5.50 x = 5.50/0.15 x = 36 2/3 Check: 0.50x = 0.50 * 36 2/3 = 18 1/3 5.50 + 0.35x = 5.50 + (0.35 * 36 2/3) = 5.50 + 12.8333333 =18 1/3 True
 11 months ago
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