You buy magazines for $5 and books for $10. You spent a total of $100. Let x represent the number of magazines and y represent the number of erasers. Write an equation to represent the situation.

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4

Anumber is equal to twice a smaller number plus 3. the same number is equal to twuce the sum of the smaller number and 1. how many solutions are possible for this situation