Iron collecting

Class 7 A collected 3.2 tonnes more iron than class 7B. Together they collected 6.4 tonnes of iron for the scrap metal drive. How much did each class collect?

Final Answer:

a =  4.8 t
b =  1.6 t

Step-by-step explanation:

a=3.2 + b a+b = 6.4  (3.2+b)+b=6.4  2b=3.2  b=23.2=1.6  b=58=1.6  a=3.2+b=3.2+1.6=4.8 t



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