Rick bought 3 apples and 2 oranges for a cost of $1.55. Kim bought 4 apples and 3 3
oranges for a cost of $2.15. Find the cost of one apple.

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

What is negative 3/9 times negative 2/8 ?