Connor has seven more nickels than dimes and twice as many quarters as dimes. if he has $6.20, how many nickels does he have?

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Solve for n? [tex]z = \frac{3}{4} mn[/tex]