simple interest on a certain sum is 16/25 of the sum. Find the rate per cent and time if both are numerically equal.
1 answer:
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Answer:
8a. 0 8b. -1/3
Step-by-step explanation:
slope formula:
8a. => (8 + 12)/(17 - 17) = 20/0 = 0
8b. (1 + 2)/(-3 - 6) = 3/-9 = - 1/3