9. A 100 kg mixture of two different types of nuts costs $550. If type A costs $4 per kg and type B costs $7 per kg, how many kg of each type were used?

it would be a on edgenuit y

the diagram below is your final answer

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i will with my problems and all the other things that need to   be on by the way

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the answer is option a you would get more money.it would be $250.

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for option b 200/2=100=50% 100/2=50=25% 50/5=10=5% it would be $220