Answer:
1) She can buy three packages and have no beads left over
2) $16.5
Explanation:
1)
a. You would first have to find when each values will equal
beads | packages
12 | 20
24 | 40
36 | 60
48
60
b. Now you know that she can buy 3 packages
2)
a. To find the value you will simply multiply the number of packages she needs to the cost
b. 5.50* 3= 16.5
Hope this helped. :)