Question

Mrs.Mroc has 35 students in her science class.If her class increases to 42 students next
year, what will be the percent of change?​

Answer 1

Answer:

20%  

Step-by-step explanation:

Find the increase (subtract original number with final):

42-35= 7

Find the percent change (divide the increase by original number, then multiply by 100 to find the percentage):

$\frac{7}{35}$*100=20