The American with Disabilities Act (ADA) requires that the slope of a wheelchair ramp be no greater than 1:10. Which of the following is the minimum length of a ramp needed to provide access to a door that is 2.3 feet above the sidewalk?
A. 23 feet
B. 14 feet
C. 32 feet
D. 30 feet
Therefore, the Correct Answer is A.
More Questions on TEAS 7 Math
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Q #1: Which of the following is the independent variable in the equation below? p(n)=2n+9
A. n
B. 9
C. p
D. 4
Answer Explanation
An independent variable is a variable that is manipulated or changed in the experiment. Based on the given equation, the variable n is the one changed to get the required output, p. Thus, n is the independent variable.
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Q #2: A baker is using a cookie recipe that call for 3 ¼ cups of flour to yield 30 cookies. How much flour will the baker need to make 16 cookies using the same recipe?
A. 1 11/15 cups
B. 5 8/15 cups
C. 10 13/15 cups
D. 3 ¾ cups
Answer Explanation
Explanation
We are asked to find the number of cups of flour, which requires the concept of proportions.
If we let x to represent the number of cups of flour to make 16 cookies. Then
Solve the value of x by cross-multiplying
Convert the mixed fraction into improper fraction in order to carry out multiplication
The baker needs 26/15 cups of flour needed to make 16 cookies. This is equal to 1 11/15 cups.
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Q #3: A teacher has marked all math final exam for first years. He needs to track the performance of his subject. Which of the following is the best way to display the frequency for test scores of the final exams?
A. Histogram
B. Pie graph
C. Scatter plot
D. Bar graph
Answer Explanation
