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TEAS 7 Math TEAS 7 math practice 1 If a box of 55 syringes costs $660.00, w...

If a box of 55 syringes costs $660.00, which of the following is the cost of four syringes?

A. $51.00

B. $26.00

C. $32.00

D. $48.00

Answer Explanation:

: the question requires we find the cost of four syringes.

If we let x be the cost of four syringes, then we set up a proportion equation with cost as numerator and number of syringes as denominator. The proportion equation becomes

Cross-multiply to solve for x

Rearranging the above

Divide both sides of the equation by 55

Thus, the cost of 4 syringes is $48.

Therefore, the Correct Answer is D.

More Questions on TEAS 7 Math

  • Q #1: Which of the following statements is true about the graph?  

    A. The Chargers points per game decreased between seasons seven times between 1996 and 2015

    B. The Chargers scored their lowest number of points per game in 2003-04 season

    C. The Chargers scored their greatest number of points per game in the 2006-07 season

    D. The Chargers points remained unchanged in the seasons 2012-13 and 2013-14.

    Answer Explanation

    Looking at the give curve, we analyze each statement as:

    • For statement 1: the points per game decreased five times between 1996 and 2015. So, the statement is false.
    • For statement 2: the lowest points scored per game was in 1998-99 season and not in 2003-04 season. So, the statement is false.
    • For statement 3: 2008-09 was the season the chargers scored the greatest number of points per game. So, this statement is false.
    • For statement 4: the two season which no change in the points were 2012-13 and 2013-14. So this is true according to given curve.

  • Q #2: 3(2x+5)=11x+5 Solve the equation above for x. Which of the following is correct?

    A. 1

    B. 2

    C. -1

    D. -2

    Answer Explanation

    We follow the order operations to solve for the unknown value of x.

    3(2x+5)=11x+5

    Open the bracket on the LHS by multiplying each term by 3

    (3*2x)+(3*5)=11x+5

    6x+15=11x+5

    Subtract 15 from both sides

    6x+15-15=11x+5-15

    6x=11x-10

    Subtract 11x on both sides

    6x-11x=11x-11x-10

    -5x=-10

    Divide both sides by -5

    -5x/-5=-10/-5

    x= 2

    Thus, the value of unknown value of x is 2.

  • Q #3: The table below shows the student’s score at the end of the semester. Which of the following would best display the data? Subject Math Chemistry Biology Physics English Test scores 90 72 85 95 63

    A. Stem and leaf plot

    B. Line graph

    C. Bar graph

    D. Scatter plot

    Answer Explanation

    The best way to visualize the student’s score for each subject is to plot them using a bar graph.

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