Math

posted by .

Pedro spent 2 1/5 hours on his math himework and half as lomg on his science homework one weekend. If his english and social studies homework took 7/8 as long, how much time did he spent on homework that weekend?

  • Math -

    add:
    2 1/5 + (1/2)(2 1/5) + (7/8)(2 1/5)
    = 11/5 + (1/2)(11/5) + (7/8)(11/5)
    = 11/5 + 11/10 + 77/40

    take over, the LCD is 40

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math

    Let h represent the number of hours Shaunda spent on homework last week. 1.Zach spent half as much time on his homework as shaunda had on hers.Write an expression for the number of hours he spent.
  2. math

    sam spent a total of 5 2/3 hours doing homework. Julia spent 5 5/6 hours doing homework. who spent more time on homework this week?
  3. math

    sam spent a total of 5 2/3 hours doing homework. Julia spent 5 5/6 hours doing homework. who spent more time on homework this week?
  4. math

    One night Angel spent 2 hours and 41 minutes doing homework. She spent 43 minutes on math, 37 minutes on language arts, and half an hour on science. The rest of her time was spent on social studies. How much time did she spend on social …
  5. math

    Tara spent 3 hours doing homework. She spent 1/3 of her time on math, and 1/5 on science. Estimate the total time she spent on her math and science homework?
  6. math-5

    Which choice is the answer? Show me please. Tara spent 3 hours doing homework. She spent 1/3 of her time on math, and 1/5 on science. Which method would provide the most reasonable estimate of the totaltime Tara spent on her math and
  7. math

    lila did 2 and 3/4 hours of homework on saturday and 3/4 of homework os sunday.what is the time she spent on homework over the weeekend
  8. math-

    bill spent 7 9/10 hours working on is reading and math homework. if he spent 5 3/6 hours on his reading homework, how much time did he spend on his math homework?
  9. Math

    Bill had homework in social studies literacy and mathematics he's spent one fifth of his time on social studies and one third of his time on literacy bill estimated That he spent one 8 of his time on both social studies and literacy …
  10. math

    Julian spent 45 minutes doing his math homework. He spent 35 minutes doing his science homework. Afterward, he did his reading homework. He ended up studying for 2 hours and 15 minutes altogether. How long did it take him to do his …

More Similar Questions