Ms. Clark's class has r right-handed students and 18 left-handed students. Choose the expression that shows how many students are in the class.Choices:(A) 18−r(B) r−18(C) r+18(D) 18
Q. Ms. Clark's class has r right-handed students and 18 left-handed students. Choose the expression that shows how many students are in the class.Choices:(A) 18−r(B) r−18(C) r+18(D) 18
Add students' handedness: Add the number of right-handed students to the number of left-handed students to find the total number of students. r+18
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