Mario eats twice as many as yolanda. if yolanda eats 6 walnuts every day, how many walnuts does mario eat in a week?

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.

Find solution of the linear equation y = 2/3x + 1/3

The area of a circle is equal to 1 dm². find the radius of the circle.