An electrician can wire on average 4.5 houses in a week. how many months will it take her to wire 55 houses if she wires the same number each week and figures on 4.5 weeks per month. use y+mx=b

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?

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab