You would need to cross multiply. When you do that you get x^2-7x-8x+56. Once simplifying you get x^2-15x+56.
Answer:
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Step-by-step explanation:
If we got 560 pounds for 800 dollars and x pounds for 1 dollar, this means that x = 560*1/800 <=> x = 56/80. Performing the calulation we get that x = 0.7
Answer: hope you get some help
Step-by-step explanation:
Hello! That would make a huge sandwich! ;) The answer I got is 2.7, BUT that made zero since with what you gave so I added it all back up again and your answer should be 5.45 pounds. Hope this helps!