math correct or not?

posted by .

1. 19 is what percent of 40
a. 19=n x 40;47.5%
b. 40=19 x n;2.1%
c. 40=19 x n;40.4%
d. 19=n x 40;52.3%

is it a?

2.64 is 80% of what?

a.64 x n=80; 0.8
b.0.64 x n=80; 125
c.60= 0.80 x n;80
d.80=64 x n;1.3

is it c?

  • math correct or not? -

    Yes for both. Good job.

  • math correct or not? -

    yes they are both correct the way you have them.

  • math correct or not? -

    1a is correct.

    0.8*n = 64

    n = 80

    You wrote the problem wrong in 2c. 60 should be 64

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math

    how do you convert 12.55 to percent? i get 1,255% is that correct?
  2. ALCOHOLIC BEVERAGES

    THERES ONLY A FEW THAT I DON'T KNOW...PLEASE HELP!!! 5.If you're looking for a light, versatile, red wine to make a simple pasta with basil and tomatoes, a good choice whould be..?
  3. math

    A bond has an average return of 6.8 percent and a standard deviation of 4.6 percent. What range of returns would you expect to see 68 percent of the time?
  4. math 115

    1. Nina's car payment is $362.57 per month for 4 years. how much will she pay altogether?
  5. math 115

    1. find the square root 121= 11 11*11=121 is this correct?
  6. Chemistry

    A student found that her mixture was 15 percent NH4cl 20 percent NaCl and 75 percent Sio2 Assuming her calculations are correct what did she most likely do incorrectly in her experiment?
  7. Math

    If 453 runners out of 620 completed a marathon, what percent of the runners finished the race?
  8. math

    Consider the following. (a) What percentage of a normal distribution is greater than the mean?
  9. finance

    The Corner Grocer has a 7-year, 6 percent annual coupon bond outstanding with a $1,000 par value. The bond has a yield to maturity of 5.5 percent. Which one of the following statements is correct if the market yield suddenly increases …
  10. Math

    Seven students took a quiz. Four of these students received a score above 85 percent. Students who received at least an 85 percent go a sticker. What percent of the students ( rounded to the nearest full percentage number) received …

More Similar Questions