# Math Help!

Kayla buys a \$20 phone card. She is charged \$0.15 per minute for long distanced calls. What equation gives the value (v) left on her card after she makes (t) minutes of long distance calls.

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1. 20 - 0.15t = v

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2. thank you

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posted by Xavier
3. You're welcome.

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4. thank

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posted by julet
5. A typical american baby weighs about 8 pounds at birth and gains about 1.5 pounds per month for the forst year of life. What equation rates weight w in pounds to age a in months?

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