1.  Sarahbought two dolls for $ 38 . She had $12 in her purse. How many dollars are left in her purse?   2. Cheryl  has two dolls. The first doll is 54 cm tall and the second is 28 cm. What is the difference in their heights (in cm)?   3. Paulwent to play in the garden with 107 marbles. He returned home with 47 marbles. How many marbles did he lose?   4. Ronnie arranges 53  blocks in a tall stack. Accidentally, he drops27 blocks. How many blocks are still there in the stack?   5. Each day  863 cabs are made in a toy factory. Of these, 73 are defective. How many toy vehicles are not defective?