exam Maths Puzzle Numerical Ability

what is a real-life situation that follwos a linear equation, withthe independent variables being years. What would the slope say about the future years.

Read Solution (Total 0)

exam Other Question

How much water should be added to 30 gallons of a solution that is 70% antifreeze in order to get a mixture that is 60% antifreeze.

How do I go about setting up this equation? Please help!
I have no clue if finding the rate of change goes in this section:

The question says,

find the rate of change for each situation.

-Reading 5 pages in 6 minutes and 22 page