Two trains are headed towards each other on adjacent tracks. One train leaves San Jose traveling at 30 miles per hour at noon. The other train leaves San Francisco 15 minutes later traveling at 40 miles per hour. If it is 50 miles between San Jose and San Francisco, how long has the San Jose train been traveling when the two trains meet?
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
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Two trains are headed towards each other on adjacent tracks. One train leaves San Jose traveling at 30 miles per hour at noon. The other train leaves San Francisco 15 minutes later traveling at 40 miles per hour. If it is 50 miles between San Jose and San Francisco, how long has the San Jose train been traveling when the two trains meet?
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