76+20x
factor out 4
4 (19+5x)
so one possible dimensions of the rectangle is 4 by 19+5x
15 miles
15(64)+42=1002 mile - Andrea (42 is added because of her head start.)
15(67)=1005 miles - Parker
12 rainy days because 16 divided by 4 is 4. SO, 4 times 3 is 12
30 .....................................
Divide 20 by 5= 4
subtract 6= -2
q= -2
