When will 3.00+.25x and 4.50+.10x cast the same amount of money
Well they have to be equal don't they:)
\(3.00+.25x = 4.50+.10x\)
subtract 0.10x from BOTH sides
\(3.00+0.15x = 4.50\)
NOW subtract 3.00 from both sides and then think about how to finish it :)
