Mo tlelaseng ya ga Rre Roper ya baithuti ba le 30, 20% ya baithuti ke batshameki ba kgwele ya dinao. Mo baithuting ba ba setseng, 25% ke badiragatsi ba ba tshegetsang setlhopha kgotsa ba mophato wa mmino. Ditlhopha tse 3 tsa baithuti di tla tshwanelwa ke go tswa pele gompieno go ya kwa motshamekong o o kwa ntle ga motse. Ke baithuti ba le kae ba ba tswang pele?

Adrianne is collecting different kinds of beads for making bracelets. Her mother gave her 20 metallic beads. Her sister gave her ten more beads than her mother, and her friend gave her twice as many as her mother gave.  How many beads did Adrianne have altogether?
20% ya baithuti ba le 30 ke batshameki ba kgwele ya dinao, ka jalo ke 0.20 * 30 = <<.20*30=6>>6 baithuti.
Go na le baithuti ba le 30 mme ba le 6 ke batshameki ba kgwele ya dinao, ka jalo go setse 30-6 = <<30-6=24>>24 baithuti. 
25% ya baithuti ba ba setseng ba le 24 ke ba mophato wa mmino kgotsa badiragatsi ba ba tshegetsang setlhopha, ka jalo ke 0.25 * 24 = <<.25*24=6>>6 baithuti.
Baithuti ba le 6 ke batshameki ba kgwele ya dinao mme ba le 6 ke ba mophato wa mmino/badiragatsi, ka jalo 6 + 6 = <<6+6=12>>12 baithuti ba tla tswa pele. 
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Adrianne received 20 +10 = <<20+10=30>>30 beads from her sister.
And, she received 2 x 20 = <<2*20=40>>40 beads from her friend.
Therefore, Adrianne had 20 + 30 + 40 = <<20+30+40=90>>90 beads altogether.
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