We want to solve this
-0.06 x + 8.3 > -0.02x + 6.6 add -0.02x to both sides...subtract 8.3 from both sides
-0.04x > -1.7 divide both sides by -0.04 ..... reverse the inequality sign
x < 42.5 [ after 42 checks are written Long's bank is cheaper than Fellow's bank ]
