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The number of refrigerators transported into a supermarket is 87.5% of that of televisions. 20% of refrigerators and televisions are sold respectively. The remaining refrigerators are 60 less than televisions. How many refrigerators and televisions were transported into the supermarket
Set up x TV sets
(1-20%)x-(1-20%)×87.5%x=60
0.8x-0.7x=60
0.1x=60
x=600
Refrigerator: 600 × 87.5% = 525 (sets)
A: there are 525 refrigerators and 600 TV sets
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