Math. Proportions

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Can u check these. ?
What percent of 230 is 23?
I got : 28.75% is this. Right?

80% of what number is 15?
I got : 18.75% is that right?

Word problem
A school holds classes from 8a to 2p
For what percent of a 24hr day does this School hold class? I got 25%

BasedEd on the census 2000 Arizona gained 2 seats in the us house of representativeseats. . Arizona had 6 seats. What percent of the representatives from Arizona was gained in 2000?
I don't know how to answer got stuck


You have a paper route with 40 % customers. What percent route have you completed when you have delivered 28 papers?
I got 70%

  • Math. Proportions -

    Your first answer is wrong. 23/230 = ?

    The second and third answers are right.

    Fourth: 2/ 6 = ?

    Your last question doesn't make sense.

  • Math. Proportions -

    wrong
    right
    right
    percent = change/original * 100=2/6 * 100

    28/40=.7 or 70percent, right

  • Math. Proportions -

    1. Should be 10%

    4. 33.3%

    #5 should say. You have a paper route with 40 Customers. What percent. Of the paper route have you completed when you have delivered 28 papers. ? I got. 70%

  • Math. Proportions -

    Now your answers are right.

  • Math. Proportions -

    Thanks a lot !

  • Math. Proportions -

    You're welcome.

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