Janet is collecting the results of Herbert Hoover Elementary School’s annual standardized test. 340 out of 500 third-graders passed, along with 40 out of 7601062 fourth graders. The 400 fifth grade…👇

Janet is collecting the results of Herbert Hoover Elementary School’s annual standardized test. 340 out of 500 third-graders passed, along with 40 out of 7601062 fourth graders. The 400 fifth graders had a pass rate that was twice the fourth grades’ pass rate. What is the school’s overall pass rate?