7/5 * 5/7y = 7/5 * 6
y = 42/5.
The multiplication property of equality is used.
Set each answer up equal to the question, solve and see if the two numbers you end up with are equal, if not try the next answer!
Answer:
1:45 (one hour and 45 minutes)
Step-by-step explanation:
12:45 - 1:45 = 1 hr.
1:45 - 2:30 = 45 min.
You could substitute with 6 for x+9 and 9 for x+6 , otherwise it be 0=-3 or no solution
