To find the ratio of the quantity of strawberry-flavored candy to the total number of candies Niko owns, we first need to calculate the total number of candies:
Total candies = Strawberry candies + Butterscotch candies + Root beer candies
Total candies = 10 + 13 + 7 = 30
Now, the quantity of strawberry-flavored candy is 10. Thus, the ratio of strawberry-flavored candy to the total number of candies is:
Strawberry : Total = 10 : 30
So the correct response is:
D. 10:30