MATH SOLVE

4 months ago

Q:
# In Kendra’s class, 40 percent of the students earned an A on the math test. Twenty students earned an A. Kendra needs to find out how many students are in her class. Kendra’s work is shown below.40 / 2 = 20_________100 x 2 = 200what mistake did kendra make? (the / is meant as a division symbol) A. Kendra should have multiplied by 4 in both the numerator and the denominator.B. Kendra should have divided by 2 instead of multiplying by 2 in the denominator.C. Kendra should have added 40 and 20.D. Kendra should have the part to whole equation written as 100/40 (100 over 40)

Accepted Solution

A:

The correct answer is B) she should have divided by 2 instead of multiplying by 2 in the denominator.