Find the constant of proportionality (r). Using the value for r, enter an equation in the form the relationship between the commission earned (c) and the number of sales (s).​

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

If i have one apple and give you the apple, how many apples do i have?

Solutions for 2x+7 less than or equal to 3x-5