Dibotolo di le supa tsa soda di ja R21.00 fa dibotolo di le nne tsa metsi di ja R8. Fa David a batla go reka dibotolo di le tharo tsa soda le dibotolo di le pedi tsa metsi, o tla duela bokae?

Madeline and her roommate, Keenan, share the cost of groceries. In total, they spend about $400 per month. In a four-week month, how many dollars does Keenan spend per week if Madeline pays 60% of the cost?
Lebotlolo le le lengwe la soda le ja R21.00/7 = R<<21/7=3.00>>3.00.
Dibotolo di le tharo tsa soda di ja R3.00 x 3 = R<<3*3=9.00>>9.00.
Lebotlolo le le lengwe la metsi le ja R8.00/4 = R<<8/4=2.00>>2.00.
Dibotolo di le pedi tsa metsi di ja R2.00 x 2 = R<<2*2=4.00>>4.00.
Ka jalo, dibotolo di le tharo tsa soda le dibotolo di le pedi tsa metsi di ja R9.00 + R4.00 = R13.00.
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They spend $400/4=$<<400/4=100>>100 per week.
Keenan pays for 100-60=<<100-60=40>>40% of the groceries.
Thus, she spends $100*(40/100)=$<<100*40/100=40>>40 per week.
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