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Solving Word Problems with Linear Systems

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  1. Claire is 28 and John is 32.

  2. The cost is the same after \(5 \frac{1}{3}\) months.

  3. Ties are $23, and suspenders are $47.

  4. The plane flies at 540mph in still air, and the jet stream is 60mph.

  5. 350 children and 850 adults

  6. Not possible, the maximum take is $9,600.

  7. 300 16-oz sodas, and 240 32-oz sodas

  8. Peter discovered that Nadia would have had to pay a different price for each apple or banana (or both) each time for the second purchase to have been $6.

  9. Apples cost less than $1.25 each, and bananas cost less than $2.50 each.

  10. Four apples cost $3.00. Apples cost $0.75 each and bananas $1.00 each.