( 1+25%)X= 120
X=96
Suppose the purchase price of the second toy is Y yuan.
( 1-25%)Y= 120
Y= 160
So 160+96=256 (yuan) lost because 256 is greater than 240.
256-240= 16 (yuan) lost 16 yuan.
Model essay on primary school mathematics teaching design case 1
Teaching aid preparation: multimedia courseware
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