Mathematics

Question

Evaluate the expression below when a = 5 and b = 2: a (10b - 2a).

2 Answer

  • 100-50 (not too sure)
    Explanation:
    5(10(2)-2(5))
    5(20-10)
    100-50
  • Answer:

    50

    Step-by-step explanation:

    First, substitute the 2 given values into the expression.

    a ( 10b - 2a )

    5 ( 10(2) - 2(5) )

    Simplify to the lowest terms possible, without distributing.

    5(20-10)

    Distribute 5 into each term.

    100-50 or 20(5)-10(5)

    =50

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