18)Fort Lauderdale is playing on a newly designed football field that is numbered from the 0 to the100-yard line. Making it from one end zone to the other end zone scores
points. They are on the 50-yard line. The quarterback throws for a 20-yard gain. On
the next play, there is a fumble, which results in a 15-yard loss. To make matters
worst, they are called for 10-yard loss for being offsides. What yard line is Fort
Lauderdale on now? (Write an expression then simplify