SAT Math: Algebra
A rental car company charges a flat fee of 30 plus 0.20 per mile. If a customer is charged '$80', which equation can be used to find 'm', the number of miles driven?
John can paint a room in 3 hours, and Mary can paint the same room in 5 hours. How long will it take them to paint the room together?
A number is multiplied by 4, and then 7 is subtracted from the result, giving 5. If 'x' represents the number, which equation correctly represents this situation?
Two delivery services charge differently. Company A charges 50 plus 0.50 per mile, while Company B charges 30 plus 0.75 per mile. What can be inferred about their costs based on their slopes and y-intercepts?
How many liters of a 20% acid solution must be mixed with a 50% acid solution to get 10 liters of a 30% acid solution?
A chemist needs to create 50 mL of a 40% saline solution by mixing a 25% saline solution with a 60% saline solution. How much of the 60% solution is needed?
What operation does the phrase 'more than' usually indicate in the context of translating word problems into linear equations?
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In the linear equation , what does 'm' represent in a real-world context?
A graph shows the distance a car travels over time. If the slope of the line is 60, what does this indicate?
Person A can complete a task in 4 hours, and Person B can complete the same task in 6 hours. If they work together but Person A takes a 30-minute break, how long will it take them to complete the task?