If you want to find the value, here it is: 1/2n - 2 - 3 = 3 - 2n + 3, which is equal to: -5/2n = 9, which is equal to: n = -18/5! Hope this helped! Brainliest is always appreciated.
Answer:
300
Step-by-step explanation:
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It would be 20 years because if En is 100 Mark will be 25. 25 times 4 is equal to 100
Answer:
400
Step-by-step explanation:
0.30 * x = 240
x = 240/0.30 = 800
0.50 * 800 = 400