Jar A has 28 marbles. Jar B has 12 more marbles than jar A. Jar C has twice as many marbles as jar B. How many marbles are there altogether?
Jar A дорои 28 гулобӣ мебошад. Jar B 12 гулобӣ бештар аз jar A дорад. Jar C ду баробар гулобӣ бештар аз jar B дорад. Ҳамагӣ чанд гулобӣ вуҷуд дорад?
How many marbles does jar B have? ** Jar B has 28 + 12 = <<28+12=40>>40 marbles.
How many marbles does jar C have? ** Jar C has 2 x 40 = <<2*40=80>>80 marbles.
How many marbles are there altogether? ** Therefore, there are 28 + 40 + 80 = <<28+40+80=148>>148 marbles altogether.
#### 148
How many marbles does jar B have? ** Jar B has 28 + 12 = <<28+12=40>>40 marbles.  
How many marbles does jar C have? ** Jar C has 2 x 40 = <<2*40=80>>80 marbles.  
How many marbles are there altogether? ** Therefore, there are 28 + 40 + 80 = <<28+40+80=148>>148 marbles altogether.  
#### 148