A company that makes trail mix uses 138 pounds of peanuts for every 23 pounds of raisins. They make 245 pounds of trail mix using only peanuts and raisins. How many pounds of peanuts do they .?

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b