Sally has seven times as many dimes as nickels. the total value is 3.00. how many nickles does she have

Just tell me how to set up the equation.

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?

5x−4≥12 or 12x+5≤−4 can you with this problem