collegemathwordproblem

posted by .

When a number is decreased by 30%of itself, the result is 28. What is the number?

  • collegemathwordproblem -

    100percent - 30percent=70 percent
    so
    70/28 is proportional to 100/x
    70x=2800
    x=40

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. 11th grade Algebra

    A number is multiplied by -3 and then this product is decreased by 7. The result is 4 less than twice the opposite of the number. what is the number?
  2. collegemathwordproblem

    When 80% of a number is added to the number, the result is 252. How do I find the number?
  3. collegemathwordproblem

    When 80% of a number is added to the number, the result is 252. How do I find the number?
  4. algebra

    -Alan sold his bike to Dan making a 20% profit. Dan sold the bike to Carol for $180 which was a 25% profit for Dan. How much did Alan originally pay for the bike?
  5. algerbla

    if the square of a postive number is decreased by five times the number , the result is 14. Find the number
  6. 6th grade math

    Can you check these problems, please? Translate each phrase into algebraic expression. 1. 5 more than D Ans: 5 + D 2. Twice a number W Ans: 2*W 3. Product of 60 and W Ans: 60*W 4. A number, N, decreased by 18 Ans: N - 18 5. 14 minus
  7. algebra

    Please check A number m decreases by 4 m-4 A number d divided by k,minus 6 D/k-6 A number b less 8 B-8 The sum of a number m and 10 M+10 18 divided by a number r 18/r 32 decreased by a number n 32-n A number k increased by itself K+k
  8. math

    The result of adding a number to itself is usually unequal to the result of multiplying the number by itself. For how many different numbers are these results equal?
  9. Math

    Repeat the following procedure for the four given numbers. Add 7 . Double the result. Subtract 4 . Divide by 2. Subtract the original selected number. The 1st number is 1 . The result is 5 . The 2nd number is 4 . The result is 5 . …
  10. math

    A certain number was increased 5 times, then decreased by 3, then halved. The result was 0.3 less than the original number. What was the original number?

More Similar Questions