Question 705304
D=RT
D=40T GREGORY
D=50(T-1)
40T=50(T-1)
40T=50T-50
40T-50T=-50
-10T=-50
T=-50/-10
T=5 HOURS FOR GREGORY.
5-1=4 HOURS FOR ALYSSA.
PROOF:
40*5=50*4
200=200