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Linear Equations

Your music collection grows by 20 songs every week. If you currently have 1,000 songs, how many weeks will it take to amass 3,500 songs?

Level 1

         

Every time Pinocchio tells a lie, his nose grows one inch longer.

When he left this morning, Pinocchio's nose was only 3 inches long. However, when he arrived home for dinner, his creator Geppetto noticed that his nose was now 9 inches long.

How many lies did Pinocchio tell while he was away?

If $80 is divided among three people so that the second person will have twice as much as the first, and the third person will have $5 less than the second, then how many dollars will the third person have?

I went to the candy store last weekend and I bought a total of 10 packs of candy. I bought M&Ms for $1 per pack and Twizzlers for $0.50 per pack. I spent a total of $6. How many packs of M&Ms did I buy?

Consider the collection of points such that the sum of each point's coordinates is 1. The graph of these points in the coordinate plane forms what shape?

If a baseball and a bat together cost \($110\) and the bat costs \($100\) more than the ball, then how much does the ball cost?

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