Roxanne has 1/2 as many beads as Sherrie. The number of beads Sherrie has is 4/5 that of Ting Ting's. Ting Ting has 165 beads. How many more beds does Ting Ting have than Roxanne?
Ting Ting has 99 beads more than Roxanne.
Ting Ting's = 165 beads
Sherrie : has 4/5 beads that of Ting Ting's
165 4/5 = 660 / 5 = 132 beads
Roxanne : has 1/2 as many beads as Sherrie
132 1/2 = 132 / 2 = 66 beads
Ting Ting's beads - Roxanne's beadsĀ = difference
165 - 66 = 99 beads.
Ting Ting has 99 beads more than Roxanne.
Roxanne has 66 beads
Sherri has 132 beads
ting ting has 165 beads
so 99 beads would be the answer