Mr.Wong had 207 apples and oranges. After he had sold 50% of the apples and 40% of the oranges,he had 45 more oranges than apples left.how many fruits did he have left?
[][][][][][][][][][][][]
A [ ][ ] <45><45> )
<45> ) 207
O [][][][][][] [][][][] )
22 u --> 207 + 45 +45 = 297
1 u --> 297 ÷ 22 = 13.5
12 u --> 12 x 13.5 = 162
162 - 45 = 117 fruits
He had 117 fruits left.
Monday, May 24, 2010
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Could you explain how the model is being drawn as it is quite uncertain to comprehend?
ReplyDeleteBefore and After
ReplyDeleteAfter,
you are left with
A [......]<45>
B [][][][][][]
What I have done -
After A x 2, which is equal to Before A + 45 + 45.