Tom has $5. He bought a pen for $3. How much change does he receive?

Donna has $12. She buys two pens for $2 and $5 respectively. How much money she has left?

Indra has $8. She rents two movies for $3 each. How much money does she has left?

Aleema gets a daily allowance of $15. For lunch she buys one pie for $3 and a soft-drink for $4. Howmuch change does she receive?

Simon has $24. He buys two books for $6 each, and a pen for $3. How much money is left?

Liz buys a pack of crayon for $1.75. How much change does she receive from $5?

Jojo buys a pack of red mango for $2.25 and a soft-drink for $3.75. How much change does he receive from $10?

Ricky buys a book for $5 and sells it to his friend for $8? How much money does Ricky gain from the sale?

Lal buys two pencils for $2 each. He sells both pencils a week late for $2.75. How much money does Lal lose from his sale?

Cathy buys a pair of slippers for $9, and sold it to her friend Anisha for $12.50. How much money does athy gain from the sale?