The sum of two numbers is 14. The first number is 2/5 of the second number. What are the numbers?

How can you decide witch operations to use to slice a two step equation

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?