Bobby o tsaya metsotso e le 30 ya dijo tsa motshegare le metsotso e le 15 gabedi ka letsatsi kwa tirong.  Morago ga malatsi a le 5, o tla bo a dirile diura di le kae a ikhutsa?

Jeff is 10 years older than his younger sister, Martha. Martha, on the other hand, is 4 years younger than her boyfriend, Mike. If Mike is 24 years old, how old is Jeff?
O na le diphoso tse 2 tsa metsotso e le 15 ka letsatsi ka jalo di dira metsotso e le 2*15 = <<2*15=30>>30
O bile o na le dijo tsa motshegare tsa metsotso e le 30 letsatsi le letsatsi ka jalo mmogo le diphoso tsa hae tsa metsotso e le 30 o na le metsotso e le 30+30 = 60 ya go ikhutsa letsatsi le letsatsi
Letsatsi le letsatsi diphoso tsa gagwe di dira metsotso e le 60 mme o tsaya diphoso tseno malatsi a le 5 ka beke ka jalo o tsaya metsotso e le 60*5 = <<60*5=300>>300 ya nako ya go ikhutsa
Metsotso e le 60 ke ura e le 1 ka jalo 300/60 = <<300/60=5>> diura di le 5 tsa nako ya go ikhutsa
#### 5 

Martha is 24 - 4 = <<24-4=20>>20 years old.
Jeff is 20 + 10 =<<20+10=30>>30 years old.
#### 30