math

posted by .

a student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly?

  • math -

    0.8 * 20 = ?

  • math -

    16

  • math -

    20 x .80 = 16 problems correctly answered

  • math -

    6000

  • math -

    16

  • math -

    20x.8= 16

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. statistics

    a test consists of true/false questions .to pass the test a student must answer at least 6questions correctly .if a student guesses on each question,what is the probability that the student will pass the test
  2. statistics

    Calculate the z-score for each set of data. Determine who did better on her respective test, Tonya or Lisa. Student English Test Grade z-Score Student Math Test Grade z-Score John 82 Jim 81 Julie 88 Jordan 85 Samuel 90 Saye 79 Tonya …
  3. math

    Linda did 24 problems out of 25 correctly.In the next test she did twice as many examples correctly but received a mark only half as good.How many problems were there in the second test?
  4. algebra homework help

    A student missed 8 problems on a Chemistry test and received a grade of 47%. If all the problems were of equal value, how many problems were on the test?
  5. algebra homework help

    A student missed 3 problems on a Physics test and received a grade of 94%. If all the problems were of equal value, how many problems were on the test?
  6. algebra

    A student missed 11 problems on a Chemistry test and received a grade of 65%. If all the problems were of equal value, how many problems were on the test?
  7. algebra homework help

    student missed 11 problems on a Chemistry test and received a grade of 65%. If all the problems were of equal value, how many problems were on the test?
  8. Math

    a student answered 86 problems on a test and got a 98%. How many problems were on the test?
  9. comparing fractions

    A third grade class was given a multiplication quiz. The quiz had 10 problems. Any correctly answered 6 problems, Bobby answered 7 problems correctly, Tom answered 9 problems correctly, and Sue only answered 2 problems correctly. A. …
  10. statistics and probability

    n a written test given to a large class comprising 42 students, the test scores were found to be normally distributed with a mean of 78 and a standard deviation of 7. A minimum score of 60 was needed to pass the test. A score of 90 …

More Similar Questions