You bought 2 pairs of pants at $28.99 each, and one shirt at $21.34. if the tax rate is 5%, what is the total cost of your purchase? show how you got the answer question 3 options: $79.32 $58.98 $69.32 $83.29

Megan and desmond each add the same amount of water to their aquarium megan makes 5 ml of chemical solution with every gallon of water for her aquarium desmond mixed 8 ml of chemical solution for every 2 gallon of the water for his aquarium.