Linear Equations in Two Variables

SAT Math· difficulty 2/5

A 10% salt solution has 0.1x0.1x pounds of salt in xx pounds of solution. How many pounds of salt are in 50 pounds of solution?

  • A

    5050

  • B

    0.50.5

  • C

    1010

  • D

    55

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Explanation

0.1×50=50.1 \times 50 = 5 pounds of salt.

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