8 bags of gravel and 7 bars of sand costs €60.20 in total 6 bags of gravel and A bags of sand costs 40.40 in total
How much would it cost in total to buy 2 bags of gravel and 1 bag of sand?​

If a boat travels 3 miles in 1.5 hours how far will it travel in 1 hour

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas