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Linear Equations in One Variable

SAT Math· difficulty 3/5

Mixing \3/lbalmondswith/lb almonds with $5/lbcashewstomake10lbat/lb cashews to make 10 lb at $3.80$/lb. How many lb of cashews?

  • A

    3

  • B

    2

  • C

    6

  • D

    4

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Explanation

3(10−c)+5c=383(10-c) + 5c = 38 → 30+2c=3830 + 2c = 38 → c=4c = 4.

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