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The usual toll charge over a bridge is $1.50. If you purchase a special sticker for $10.50, the charge is $0.80. At least how many trips through the tunnel are needed before the sticker would cost less
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The usual toll charge over a bridge is $1.50. If you purchase a special sticker for $10.50, the charge is $0.80. At least how many trips through the tunnel are needed before the sticker would cost less than the toll charge?

User Paho
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I believe a minimum of 7 trips over the bridge is required. 
The usual toll charge over a bridge is $1.50. If you purchase a special sticker for-example-1
User Elbrant
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