You count each unit square and it counts as one so for number two from point o to point a there are 5 unitsif each side we’re 5 hints and there are 6 sides you multiply five by six to get the answer of 39 for number three
I think you would do this first add 3.50+1.75=5.25 ( amount she spent so far) 5.25+2x <= 24.50 solve the equation first, subtract 5.25 from both sides then you get 2x=24.50 then x=12.25 so about 12 rides