Answer:
9/10
Step-by-step explanation:
You find the lowest common denominator which is 56 and then, you multiply each numerator by the opposite denominator (3 times 7 and 3 times 8) after that you should get 5 45/50 then you simplify it to get 9/10
25
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Option c: -v(t) = 25000(0.975)
Kindly check the attached file for explanation