Bob o tlhoka go reka mmu wa go tlatsa matlwana a a godisitsweng mo tshingwaneng ya gagwe ya merogo. O na le matlwana a le 10 a a godisitsweng, mme letlwana lengwe le lengwe le bophara ba dikgato di le 2 ka boleele ba dikgato di le 8 le bogodimo ba dikgato di le 2. Kgetsi nngwe le nngwe ya mmu wa go jala e na le dikgato tsa dikhubiki di le 2 mme e ja $12. Mmu wa go jala o tla mo ja bokae?

Jenna starts out with 8 sapphires. She trades 3 sapphires for two rubies. If sapphires are worth $800 and rubies are worth $1200, how much money are all her jewels worth?
Letlwana lengwe le lengwe le bophara ba dikgato di le 2 ka boleele ba dikgato di le 8 le bogodimo ba dikgato di le 2, ka jalo lengwe le lengwe le tshwara dikgato tsa dikhubiki di le 2 * 8 * 2 = <<2*8*2=32>>32 tsa mmu.
O na le matlwana a le 10, ka jalo o tla tlhoka dikgato tsa dikhubiki di le 10 * 32 = <<10*32=320>>320 tsa mmu.
Kgetsi nngwe le nngwe ya mmu ke dikgato tsa dikhubiki di le 0.75, ka jalo Bob o tla tlhoka dikgetsi tsa mmu di le 320 / 2 = <<320/2=160>>160.
Kgetsi nngwe le nngwe ke $12, ka jalo mmu otlhe o tla mo ja $12 * 160 = $<<12*160=1920>>1920.
#### 1920 

First find the total number of sapphires Jenna still has: 8 sapphires - 3 sapphires = <<8-3=5>>5 sapphires
Then multiply this number by the cost per sapphire to find the total cost of the sapphires: 5 sapphires * $800/sapphire = $<<5*800=4000>>4000
Then find the total value of the rubies: 2 rubies * $1200/ruby = $<<2*1200=2400>>2400
Then amount this to the cost of the sapphires to find the total value of her jewelry: $2400 + $4000 = $<<2400+4000=6400>>6400
#### 6400