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Mdm Tan sold 2/7 of the muffins she baked and Mdm Ong sold 1/2 of he muffins she baked. They had an equal number of muffins left. If Mdm ong baked 120 more muffins than Mdm Tan, how many muffins did Mdm Tan baked?

 Mar 8, 2020
 #1
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Sold 2/7     then   5/7 are left                     1/2 sold means   1/2 left

 

o =  t +120

 

5/7 t = 1/2 (t+120)     solve for t       ( then o = t +120)

 Mar 8, 2020

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