The circumference of the circle. i need to use 3.14 and round it to the nearest hundredth

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?