Thursday, April 30, 2009
Question 6
a) 3 1/2 x 3 =
9/2 x 3/1 = 21/2 = 10 1/2
Kristi worked 10 1/2 houres.
b) 9/1 x 21/2 = 189/2 = 94 1/2
in one week Kristi earnd $94.50 dollors.


Question 7
7 x 2 2/5 =
7/1 x 12/5 = 84/5 = 16 4/5
In one week jupitor completes 16 4/5 rotations of Earth.


Question 8
8 1/2 x 1 1/3 =
17/2 x 1 1/3 =
4/1 x 17/3 =
2/1 x 17/3 = 34/3 = 11 1/5
The Boat will ravel 11 1/2 km in 1 1/2 houers.


Question 9
4/5 x 3 1/2 =
4/5 x 7/2 =
4/2 x 7/5 =
2/1 x 7/5 = 14/5 = 2 4/5
It will take you 2 4/5 houres to get to grandmas house at the same speed.


Question 10
3/5 x 5/1 =
3/1 x 5/5 = 15/5 = 3/1 = 3
It will take 3 Tanks of gas it get to work and back for 5 working days.


Question 11
2 1/4 x 8 =
9/4 x 32/4 =
9/4 x 8/1 = 72/4 = 18/1 = 18
Owen will be 18 when Robin celebrates her 8th birthday.


Question 12
3 1/4 x 3/4
13/4 3/4 = 39/16
It will take 39 houres.

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