How many liters age of 25% antifreeze solution and 50% antifreeze solution must be mixed to make 10 L of a 30% antifreeze solution

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

Arrange these numbers from least to greatest 3/5 5/7 2/9

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.