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Home > MC2 > Chapter 3 > Lesson 3.2.4 > Problem 3-99

3-99.

Since we know there are 40 boys out of 100 students, the rest of the students have to be girls. So we can subtract 40 from 100 to get the amount of girls.

100 − 40 = 60 girls

See part (a).

See part (a).

Describe the process used in part (a).