Boris o na le di apole di le 100. Beck o na le di apole di le 23 go feta di ga Boris. Fa Boris a neela Beck di apole di le 10, Beck o tla bo a na le di apole di le kae go feta tsa ga Boris jaanong? 

Cindy's math and science books weigh 2 pounds each.  Her French book weighs 4 pounds and her English book weighs 3 pounds.  Her history book weighs twice as much as her English book.  If Cindy carries all of her books at once, what will be the total weight of the books she is carrying?
Boris o na le diapole di le 100, mme o ntsha di le 10, jaanong o setse ka diapole di le 100 - 10 = <<100-10=90>>90.
Beck o na le di le 23 go feta tsa ga Boris kwa tshimologong, go raya gore o simolotswe ka di le 100 - 23 = <<100-23=77>>77.
Le fa go ntse jalo, ka ge a filwe di le 10 ke Boris, jaanong o na le di le 77 + 10 = <<77+10=87>>87.
Ka jalo Beck o na le di le 90 - 87 = <<90-87=3>>3 go feta tsa ga Boris. 
#### 3 

The math and science book weigh 2 pounds each so they weigh 2*2 = <<2*2=4>>4 pounds
Her history books weighs twice the amount of her 3 pound English book so it weighs 2*3 = <<2*3=6>>6 pounds
When you add the weight of all of her textbooks together, they weight 4 +4+3+6 = <<4+4+3+6=17>>17 pounds
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