Answer:
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Step-by-step explanation:
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3,500 m so 3 km and 500 m
(1 + v)(v - 7)
1*(v - 7) + v(v - 7)
1*v - 1*7 + v*v - v*7
v - 7 + v² - 7v
v² - 7v + v - 7
v² - 6v - 7
I hope this helps.
The principal will donate 1.50 for every dollar the fifth graders raise