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3 April, 23:17

at a library book sale, hardcover books sell for $4 and paperbacks sell for $2. The expresstion 4b+2b represents the total cost for b hardcover books and b paperbacks. Write a simpler expression that is equivalent to 4b+2b

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  1. 3 April, 23:28
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    Answer : 6b

    Step-by-step explanation: b (4+2)
  2. 3 April, 23:43
    0
    6b is a simpler expression that is equivalent to 4b+2b.

    Step-by-step explanation:

    Given : At a library book sale, hardcover books sell for $4 and paperbacks sell for $2.

    The expression 4b+2b represents the total cost for b hardcover books and b paperbacks.

    We have to write a simpler expression that is equivalent to 4b+2b.

    Equivalent expression are expression which are different in seeing but when we solve both we get the values same as the original expression.

    Given expression is 4b+2b,

    We can take 2b common from terms to get an equivalent expression as,

    4b+2b = 2b (2+1) = 2b (3) = 6b.

    Thus, 6b is a simpler expression that is equivalent to 4b+2b.
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