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Algebraic expression of word expression "subtract eight times of number b from ten times of number c" is

  • A.2bc
  • B.8b - 10c
  • C.8c - 10b
  • D.10c -8b

Answer: D

"Subtract eight times \( b \) from ten times \( c \)" means starting with \( 10c \) and taking \( 8b \) away.

\[ 10c - 8b \]

The phrase "subtract A from B" always puts B first - writing \( 8b - 10c \) reverses the two and gives the negative of the answer.

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