11. On a math test Ryan got 15% of the questions incorrect. If there were 40 questions on the spelling test then how many questions did Ryan get correct?

34

Step-by-step explanation:

100-15=85 (15 was the percentage of incorrect so you want the percentage of correct answers)

40*.85=34

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.