I'm not sure how to answer this:
3. THe 7th grade wants to have a back-up representative just in case the first teacher is absent. Based on the same scenario as #2, if a math teacher was chosen to be the 7th grade representative, what is the probablility that the back-up drawn second will be a different math teacher?
Ans: 2/11 = .18 = 18%

Here's #2 referenced above - There are 3 math teachers, 2 science teachers, 2 social studies teachers, 3 english teachers, and 2 reading teachers. If a teacher is chosen at random to be the 7th grade representative, what is the probability that the teacher will be a math teacher. Ans: 3/12 = 1/4 = .25 = 25%

1. mark has \$186 in his savings account. he withdraws \$94, deposits \$56,and then withdraws \$70.

posted by steven
2. 32 gal/min is = to

posted by mimi

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