At the local pet store, zebra fish cost $1.90 each and neon tetras cost $2.40 each. if ernesto bought 13 fish for a total cost of $27.20, not including tax, how many of each type of fish did he buy?

You can find the constant of proportionality by finding the ratio of

If i have one apple and give you the apple, how many apples do i have?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin