Acar averages 12 gallons of gasoline for each 420 miles driven. how much gasoline will it need for 3,360 mile trip

So me with this math problem. find the value of x the table shows the masses of 50 eggs. mass: 40-44 eggs: 6 mass: 45-49 eggs: x mass: 50-54 eggs: 12 mass: 55-59 eggs: 10 mass: 60-64 eggs: 7 mass: 65-69 eggs: 2 you!

Simplify the expression. -2/5(10+15m-20n)

True or false look at the picture pls : /