10
algebra

Two containers have water. Container A has 50 liters and is losing 2 liters per minute. Container B has 10 liters and is gaining 3 liters per minute. When will they have the same amount?

A

8

B

5

C

10

D

12

Correct Answer: A

Choice Choice B is the correct answer.

  1. Set up equation: 50−2x=10+3x50 - 2x = 10 + 3x
  2. Add 2x: 50=10+5x50 = 10 + 5x
  3. Subtract 10: 40=5x40 = 5x
  4. Divide by 5: 8=x8 = x
  5. Verify: 50−16=3450 - 16 = 34 and 10+24=3410 + 24 = 34 ✓

Choice Choice C is incorrect because calculation error.

Choice Choice D is incorrect because calculation error.

Choice Choice B is incorrect because calculation error.

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Linear Functions Set 17