ms. Patel purchased some pliers, wrenches, and chisel for her shop. she bought twice as many pliers that cost $17.50 each a wrenches that cost $21.50 each. she bought 3 fewer chisel sets than pliers. how many of each tool did ms. Patel buy if she paid a total of $141 and the price of each chisel set is $28?

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )

Julius went on a volunteer trip to centralamerica and took medical supplies with him.he packed a bag with 50 pounds of supplies.he brought pieces of equipment that weighed10 pounds each and bottles of medicine thatweighed pound each prepresents thenumber of pieces of equipment he broughtand b represents the number of bottles ofmedicine he brought then the total weight canbe represented by the equation 10p+b 50.the brought 3 pieces of equipment, how manybottles of medicine did he bring?