History

Martha Whitehead

18 May, 16:16

40 percent of the students in a school band play brass instruments while 4 students play strings instruments.

If 10 students play brass instruments and strings instruments, which of these equations would you use to find the total number of students in the school band, x?

4+x=10

10+0.4x=4

4+0.4x=10

4+0.04x=10