IS THIS PROPORTIONAL The cost of a bottle of water is $1.25, but if a customer buys three bottles, the fourth bottle is free. Is the cost proportional to the number of bottles bought?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

The sum of two numbers is 0. twice the smaller number subtracted from 3 times the larger number is 10. let x represent the larger number and y represent the smaller number. what is the equation