Pasagot po plss need konapo ngayon thanks

There are 13 blue marbles. the blue marbles are three more than twice the number of red marbles. how many red marbles are there? pls. with solutionpls. answer it i needed it immediately​

Direct or inverse or not? the distance an airplane flies to the time travellingthe number of persons sharing a pie to the size of the slices of the piethe cost of life insurance to the age of the insured personthe amount of the money raised in a concert to the number of tickets sold​

The total weight of a fully- loaded coal truck is 48 tons. the ratio of the weight of the truck to the weight of the coal is 7: 5. what is the weight of the truck and the coal?