Answer:
Part A: 9 orange beads
Part B: 40 blue beads
Explanation:
Notice that you need to have the proportion of blue beads always 5 times larger than the number of orange beads. therefore you need to complete the table following such pattern:
Part A: for 45 blue beads, she needs to use : 45/5 = 9 orange beads
Part B: for 8 orange beads, she needs to use 8 * 5 = 40 blue beads