To find out how many students in Mrs. Harmon's class of 30 get to school by bus, car, and walking, we can use the percentages provided:
-
Students who get to school by bus:
\(70%\) of \(30\) students
\(0.70 \times 30 = 21\) students -
Students who come to school by car:
\(20%\) of \(30\) students
\(0.20 \times 30 = 6\) students -
Students who walk to school:
\(10%\) of \(30\) students
\(0.10 \times 30 = 3\) students
In summary:
- Students who ride the bus: 21
- Students who come by car: 6
- Students who walk: 3