maths

a man spent 1/10 of his monthly salary on rent and 5/6 of the remainder on household needs. if $1,800 is left, how much is his monthly salary?

  1. 👍
  2. 👎
  3. 👁
  1. after 1/10, 5/6 of the remainder is 5/6 * 9/10 = 45/60 = 3/4

    so, x(1 - 1/10 - 3/4) = 1800
    3/20 x = 1800
    x = 12000

    1. 👍
    2. 👎
  2. 1/2

    1. 👍
    2. 👎
  3. Solution:
    x(1-1/10-5/6)=1800
    x-x/10-5x/6=1800
    L.c.m=30
    30x-3x-25x/30=1800
    2x/30=1800
    2x=54000
    x=27000

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math

    A man started to work in 1985 at an annual salary of \$8{,}000. He received a $600 raise each year. How much was his salary in 2012? Salary:

  2. math

    A woman spent 1/4 of her salary on rent. 1/3 of the remaining on food and 2/5 of the rest on transport. If she has 5000 naira left, what is her monthly salary?

  3. Math

    A man spent 2/5 of his salary on food and 1/4 on transport. What fraction of the salary was left

  4. Mathematics

    Kinyua spent 1/4 of his net January salary on school fees .He spent 1/4 of remainder on electricity and water bills .He spent 1/9 of what remained on transport .if he finally has 8400 calculate total January salary

  1. Math

    A real estate company owns 218 efficiency apartments, which are fully occupied when the rent is $940 /month. The company estimated that for each $25 increase in rent, 5 apartments will become unoccupied. What rent should be

  2. Math

    A man spent 2/11 of his monthly salary on food, 3/8 of the remainder on rent and 1/9 of what still remaind on books. If he still had $200 left, find his salary per month.

  3. programming

    Design a flowchart and pseudo-code for a structured program that could be used to calculate a sales person’s gross salary and output of the sales person’s basic salary, additional pay, bonus, and gross salary. ABC explosion

  4. math

    Mr.Ricci spent 1/3 of his salary on food and 2/5 of the remainder on transport. What fraction of his salary did he have left? If he had $600 left, find his salary.

  1. Mathematics

    A sales man has a fixed salary of ksh700 a month. In addition, he receives a sales commission that is 10% of this total volume of monthly sales. Write the relationship between the sale man total monthly salary and his sales per

  2. math

    A young man spent 1/4 of his allowance on a movie. He spent 11/18 of the remainder on after-school snacks. Then from the money remaining, he spent $3.00 on a magazine, which left him 1/24 of his original allowance to put into

  3. math

    a man spent 1/4 of his monthly salary on rent ,2/5 on food and 1/6 on books. If he still had ghana 55000 left what was his monthly salary

  4. Stats

    You want to rent an unfurnished one-bedroom apartment in Boston next year. The mean monthly rent for a random sample of 14 apartments advertised in the local newspaper is $1200. Assume that the standard deviation is $230. Find a

You can view more similar questions or ask a new question.