Leon used 2.1 liters of green paint to paint 42% of his room. He painted the remaining part of his room using brown paint. How many liters of brown paint did he use?
100% - 42%=58% 2.1 - 42% x - 58% so: 2.1/42 * 58=2.9 He used 2.9L of brown paint
What did you do after 2.1 - 42%?
x - liters of brown paint,
100% - the whole room,
of green paint to paint 42% of his room, so of brown paint 100%-42%=58%.
make up a proportion:
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