Answer:
45
Step-by-step explanation:
There are 3 cones and 15 flavors
Multiply the number of cones by the number of flavors
3*15
45
There are 45 possible combinations
They should screen out 99 to 100 percent of uv rays. Hope this helps!
Answer:
12 books
Step-by-step explanation:
30 multiply by 2/5=12 books that were sold to co-workers.
3/5 which is the remainder multiplied by 1/2 =3/10
3/10 multiply by 30 =6 books sold to her neighbours
now that 30 is the original subtract12 +6
There are 5 letters
there are 5 possibilities for the first letter, and 4 possibilities for the second letter after the first letter is used up
so 5 * 4 = 20 possibilities
