John and don went on a fishing trip and caught 48 fish on their trip. John caught four less than three times as many as Don caught. Use the 5-D process to figure out how many fish each mean caught

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

I'm not sure but i think it's 1670km/h