Answer:
Step-by-step explanation:
This is a parallelogram. In parallelogram, opposite sides are equal.
x + 3 = 6
x = 6 - 3
x = 3
60 = 0.20x
60/0.20 = x
300 = x <== so 60 minutes is 20% of 300 minutes
Answer:
Step-by-step explanation:
Enter values of which highlighted variable?
the answer is 
subtract 6x on both sides → 
divide both sides by -2y → 