Tuesday, January 10, 2012

Boardwork & Review for Jan 10th


1. Doug receives $42,684 on his paycheck. The central angles for how his money is spent each year is shown above.

A) How much of his money goes to his wife, his cat and his doctor?
B) What percentage of his money goes to gas and insurance for his car?
C) Which category is closest to 25%?

2. If the dimensions of a shape are tripled, what will the ratio or scale factor be for their areas?

Please answer the questions as a comment. If you need help be sure to look at other's comments.

20 comments:

  1. 1)
    a) 23.39
    b)42.33
    C)insurance
    2) 2:1

    ReplyDelete
  2. 1)
    A. 40% goes to his wife, 28% goes to the cat, and 23% goes to his doctor.

    B) 68% is gas and 84% is insurance.

    C) Dentist

    2)

    ReplyDelete
  3. Correction on c) its insurance and correction on 2) it's 2:1

    ReplyDelete
  4. Angel Longoria

    1)
    a. ?
    b.84% ia insurance, 68% is gas
    c.insurance
    2.2:1

    ReplyDelete
  5. 1) a) 10789,56
    B) 42.2
    C) rent
    2) ratio is 3:1
    Scale factor : 1:9

    ReplyDelete
  6. 1.
    a) 10819.62
    b) 42.3
    c) Rent

    2. 9:1

    ReplyDelete
  7. 1 A) 10789.56667
    B)18022.1333
    C)Dentist 24%

    ReplyDelete
  8. 2) ratio will be tripled!!!!
    Scale is multiplied by 9!!!!

    ReplyDelete
  9. 1a. 10,789.56
    1b. 42.2%
    1c. rent
    2. ratio= 3:1 scale factor= 9:1

    ReplyDelete
  10. 1.
    A. 10789.
    B. 42.2
    C. Doctor
    2. ?

    ReplyDelete