My brother has a summer job and earns $5 an hour. He is going to work 5 hours a day for 5 days a week and will do this for 5 total weeks.

How much money will he make in 1 week?

My brother has a summer job and earns $5 an hour. He is going to work 5 hours a day for 5 days a week and will do this for 5 total weeks.

What is the total amount of money that he will earn?

Brenda bought a new catcher’s mitt for $75. Her mom saw another mitt that was a better quality glove and cost less, so she bought it for $60. Brenda sold her first mitt for $65. A week later, Brenda’smom accidentally threw her new glove in the trash. Brenda found her first mitt for sale a month later for $50. She bought it back. How much money did Brenda and her mom end up losing on these transactions?

Mrs. Johnson was going to purchase an iPod on sale for $250. At the checkout counter, she received an additional 10% discount. How much did Mrs. Johnson pay for the iPod after the discount?

In the addition problem below, the digits B and C represent a number different from any of the other numbers shown (that is, not 1, 4, 5, 6, or 9).

B5+C9=164

What are the only two possible values for B and C?

In the addition problem below, the letters AB represent a two-digit number. If you know that the letter B is not zero (0), can you tell me which numbers represent A and B?

AB x 3 = 19B or AB + AB + AB = 19B