Jorge washed cars for four hours on saturday. in the first hour he washed 4 cars. in the second hour he washed seven cars in the third hour he washed nine cars how many cars did he wash in the first 3 hours jorge washed the same number of cars in the fourth hour as she did in the first 3 hours combined how many cars did he wash in all four hours

20 cars

40 cars

Step-by-step explanation:

Arithmetic

A branch of mathematics that studies the numbers and its traditional operations like addition, subtraction, multiplication and division.

The question states Jorge washed 4 cars in the first hour, seven cars in the second hour, nine cars in the third hour and the same number of cars in the fourth hour as she did in the first 3 hours combined.

A. The number of cars washed in the first 3 hours is 4+7+9=20 cars

B. In the fourth hour he washed 20 cars, and in all four hours he washed 20+20= 40 cars