A supermarket sells tuna in 90 g and 200 g tins. In one day, 112 tins of tuna were sold, with a total mass of 18 kg. How many tins of each type were sold?
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0
Answer:
B of the 200 gram tins
112-B of the 90 gram tins
29=18000------ 1 kilogram is 1000 grams.
Simplify and solve for B.
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3
Answer:
B of the 200 gram tins
112-B of the 90 gram tins
200B+2B90. (28112-B)=18000------ 1 kilogram is 1000 grams.
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