A math class has 3 girls and 7 boys in the seventh grade and 3 girls and 3 boys in the eight grade. The teacher randomly selects a seventh grader and an eight grader from her class for a competition. What is the probability that the students she selects are both boys?
Answer: 3/5
Count by 1 1/2's<br><br>
0, 1 1/2, _, _, _, _, _, 10 1/2, _, _, 15
DanielleElmas [232]
2, 2 1/2, 3, 3 1/2, 4, 41/2, 5, 5 1/2 6, 61/2 so on and so forth
Step-by-step explanation:
I don't exactly know what you're trying to say, but I'm guessing it's an addition question, so...
8 10 15
+2 3 5
10 13 20