10th grade

for which value of n will the function 4/9 and n/27 be equivalent?

asked by sasha
  1. 4/9=n/27
    9n=27*4
    n=12 ? check that.

    posted by bobpursley
  2. am i suppose too divided 9 when i multiply 27 with 4 ?

    posted by sasha
  3. Yes. After you multiply 27 * 4, divide the product by 9 to get the value of n.

    posted by Ms. Sue
  4. thanks i qot n= 12

    posted by sasha
  5. Right.

    posted by Ms. Sue
  6. Or you can see the denominator (bottom number) is multiplied by 3 to get from 9 to 27 so you multiply the numerator top number by 3. 4 x 3 = 12

    posted by Jen
  7. i think she needs to apply this rulz that says : a/b=c/d so ad=bc

    posted by feriel

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