Ask Question
22 November, 12:48

Mr. Abernathy purchased a selection of wrenches for his shop. The total cost was $78. He bought the same number of $1.50 and $2.50 wrenches, and half that many $4 wrenches. The number of $3 wrenches was one more than the number of $4 wrenches. How many of each did he purchase?

_ $1.50 wrenches

_$2.50 wrenches

_$4 wrenches

_$3 wrenches.

+3
Answers (1)
  1. 22 November, 13:12
    0
    Let the number of $1.5 and $2.5 be x. The number of $4 was (x+0.5x) = 1.5x and that of $3 was (x+0.5x+1) = (1.5x+1)

    thus the total amount will be:

    1.5x+2.5x+4 (1.5x) + 3 (1.5x+1) = 78

    1.5x+2.5x+6x+4.5x+3=78

    14.5x=78-3

    14.5x=75

    x~5

    thus:

    The number of:

    $1.5 was 5

    $2.5 was 5

    $3 was 1.5*5+1=7.5=8.5

    $4 was 1.5*5=4.5
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Mr. Abernathy purchased a selection of wrenches for his shop. The total cost was $78. He bought the same number of $1.50 and $2.50 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers