1 to 100 of Prime Numbers 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97. The number 15 has divisors of 1,3,5,15 because: 15/1=15 15/3=5 15/5=3 15/15=1 So 15 is not a prime number. The number 13 has only two divisors of 1,13. 13/1=13 13/13=1 So 13 is a prime number.
Answer: she would need four and a half cups more of sugar.
Step-by-step explanation:
You have to add together all of them sugar she would have needed so (1 1/4 times 4) and then subtract what she already had and that gives you 4 and 1/2 cups she would need. Hope this helps
