Question 347630
(2t)^2+(4t)^2=2.98^2
4t^2+16t^2=8.88
20t^2=8.88
t^2=8.88/20
t^2=.444
t=sqrt.444
t=.666 hours.
Proof:
(2*.666)^2+(4*.666)^2=2.98^2
1.332^2+2.664^2=8.88
1.774+7.097=8.88
8.87~8.88