M. 1. 9.- Solve real-world problems involving ratios and rates of change
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9 Terms
Dollars/hour
What is the ratio to find how much a cashier earns working
Miles/hours
What is the ratio to find how fast is the train going
Cups/day
What is the ratio to find how do I drink enough water
Gigabytes/month
What is the ratio to find how my smartphone data plan meet my usage needs
Principal+interest+escrow/month
What is the ratio to find how can i afford the mortgage payment for that house
Ratio
This shows how many times one number is contained within another number and is often represented as a fraction. Ex: 2:3 or 2/3
Rates
Rations with units. Ex: (2 cats)/(3 dogs)
Unit rate
A rate that shows how many of one quantity(in the numerator) correspond to one unit of the second quantity(in the denominator), such as mailed/hour is a rate that is expressed per 1 unit. It is also known as the rate of change
Graph
If rates relate two numbers with units or variables, they can be represented on this(drawing that represents relationships between numbers or data).