Answer:
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Step-by-step explanation:
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Answer:
b
Step-by-step explanation:
it's the only one were you can multiply and get the first number and the second number a multiple of the ratio 9:5
Subtract 15 from both sides that gets rid of 15 and your left with 3b =30b divide 3 on both sides and the answer is 10
52 lbs you get the answer by adding the two weights of the bags