Answer:
a). T=P-2.6
b). Practice time (P)=61 Seconds
Step-by-step explanation:
a). Let T be Heather's time in the race=58.4 seconds, and P=Heather's practice time which is less by 2.6 seconds as compared to her time in the race
This can be expressed as: Equation.......T=P-2.6
b). Substituting values for T and P in the equation;
58.4=P-2.6
Solving for P
P=58.4+2.6=61 seconds
Heather's practice time=61 seconds
