Marj has two $20 bills, three $5 bills, and $4.50 in loose coins in her wallet. If she buys a cake that costs $17.50, how much money will be left in her wallet?
Марҷ ду банкноти $20, се банкноти $5 ва $4.50 пули рехта дар ҷилд дорад. Агар ӯ як торти $17.50 харидорӣ кунад, чанд пул дар ҷилдаш боқӣ мемонад?
How much money does Marj have? ** Two $20 bills amount to $20 x 2 = $<<20*2=40>>40.
How much money does Marj have? ** Three $5 bills amount to $5 x 3 = $<<5*3=15>>15.
How much money does Marj have? ** So, Marj has $40 + $15 + $4.50 = $<<40+15+4.5=59.50>>59.50 in her wallet.
How much money will be left in her wallet? ** If she buys a cake, she will be left with $59.50 - $17.50 = $<<59.5-17.5=42>>42.
#### 42
Марҷ чанд пул дорад? ** Ду варақаи $20 ба $20 x 2 = $<<20*2=40>>40 баробар аст.  
Марҷ чанд пул дорад? ** Се варақаи $5 ба $5 x 3 = $<<5*3=15>>15 баробар аст.  
Марҷ чанд пул дорад? ** Пас, Марҷ $40 + $15 + $4.50 = $<<40+15+4.5=59.50>>59.50 дар калафаш дорад.  
Марҷ чанд пул дар калафашаш боқӣ мемонад? ** Агар ӯ як торт харад, ӯ боқӣ мемонад $59.50 - $17.50 = $<<59.5-17.5=42>>42.  
#### 42