posted by .

Jamal got a job working on a assembly line in a toy factory, on the 20th day of work, he assembled 137 toys, he noticed that since he started , every day he assembed 3 more toys then the day before , how many toys did jamal assemble all together during his first 20 days

  • math -

    easy ...

    d = 3 and
    term20 = 137
    a+19d = 137
    a + 57 = 137
    a = 80

    now take the sum of first 80 terms

  • math -

    2170 toys

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math

    Our teachers are having a toy drive. Mrs. A collected 10 more toys than Mr. B. Mrs. C collected twice as many toys as Mr. B. Mr. D collected 3 less than Mrs. C. Mrs. E collected 50 more than Mrs. A. Together they collected 487 toys …
  2. math

    ol' santas pack held thirty toys made by his elfin crew; and though none made the same amount, each elf made more than two. the elf named cher made one more toy than the elf who dressed in reds, but cher made one less christmas toy …
  3. Economics

    1. Products that would be used in calculating GDP include: a. Toys manufactured in China at a factory owned by a U.S. company b. cars manufactured in Tennessee at a factory owned by a Japanese automobile company c. plastic manufactured …
  4. Data Management Probability

    A toy manufacturing company that 5% of there toys are defective. A quality control person checks 50 toys. a) What is the probability that there will be exactly two defective toys found?
  5. 6th grade math

    Ye Olde Toy Shoppe wants a set of toys: 1/4 of the toys should be blue, and 1/2 of the toys should be green. 2/3 of the toys should be giraffes, and 1/4 of the toys should be monkeys. Decription:?
  6. STATS

    The assembly times for a toy car follow a normal distribution with a mean of 55 minutes and a standard deviation of 4 minutes. The company closes at 5pm every day. If one worker starts to assemble a toy car at 4pm, what is the probability …
  7. program planning

    All of the following are appropriate toys to use to engage an infant in, except A. a toy that they can bat at with their hands and feet.B. dress-up clothes.C. toys of different shape and texture.D. a ball. My answer is B
  8. Writing Skills Part 4

    2.which of the following would most likely be an entry in a topic outline?
  9. Probability and Statistics

    In a toy manufacturing company three machines A,B and C are employed to manufactures toys. Machines A, B and C manufacture 20%, 30% and 50% of the total toys respectively. A quality control officer examined the machines and found that …
  10. Math! Problem solving.find the whole group using u

    Lisa's dog has 4 squeaky toys.Two thirds of the dog's toys are squeaky toys.How many dog toys does Lisa's dog have in all?

More Similar Questions