SOLUTION: 4 wooden planks should be cut to make small rectangular boards.if each rectangular board got 4/9 th of a wooden plank.how many boards are there

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Question 1081952: 4 wooden planks should be cut to make small rectangular boards.if each rectangular board got 4/9 th of a wooden plank.how many boards are there
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
A board = +4%2F9+ of a plank
and there are +4+ planks
I can say:
[ 1 board / (4/9) of a plank ] x [ 4 planks ] = [ number of boards ]
+%28+1+%2F+%284%2F9%29+%29%2A4+
+%28+9%2F4+%29%2A4+=+9+
There are 9 boards