A gumball machine has 260 red gumballs. If the red gumballs are 50% of the total number of gumballs, how many gumballs are in the gumball machine?

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

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?