817MA_answers

=1)=

3, 7, 7, 9, 11, 12, 15, 16

Mean : 3 + 7 + 7 + 9 + 11 + 12 + 15 + 16 = 80 80 divided by 8 = 10

- 10 is your mean
Median : 9, 11 9 + 11 = 20 20 divided by 2 = 10

- 10 is your median
Mode : 7, 7

- 7 is your mode
Range : 16 - 3 = 13

- 13 is your range
=2)=

8x8 8.? 9x9 __Numerator -__ 77 - 64 = **13** __Denominator -__ 81 - 64 = **17 Answer : 8** 13/17
 * 64** 65 66 67 68 69 70 71 72 73 74 75 76 **77** 78 79 80 **81**

=3)=

example : $100

-15 divided by 100 = 0.15 -0.15 x 100 15% -15 divided by 10 = 1.5 -1.5 x 15 = 22.5%

-25 divided by 100 = 0.25 -0.25 x 100 = 25%

No, because you're taking 15% off an even cheaper price.

=4)=



You can make 36 cookies with 6 cups of flour.

=5)= David should be able to read 64 pages in 80 minutes.