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Q: The sum of the first 20 terms of an a.p is 45 and the sum of the first 40 terms is 290. Find the first term?

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In today's terms 290 in Roman numerals is CCXC

290 145,2 29,5,2 2 x 5 x 29 = 290

Let the first integer be x. then x + (x+1) + (x+2) + (x+3) = 290 4x + 6 = 290 4x = 284 x = 71 so the nanswer is 71+72+73+74 = 290

There are an infinite amount of answers to that. 290, 580, 870, 1160 and 1450 are the first 5 of them.

The answer this, first divide 200 by 290, which is about 0.689655. Next, multiply that value by 100 to get the percent value. The answer turns out to be "200 is about 68.9655% of 290"

29,58,87,116,145,174,203,232,261 & 290

290

2% of 290 = 2% * 290 = 0.02 * 290 = 5.8

290

290 into a fraction = 290/1

290

29 is what percent of 290? 290/29 = 10 29 is 10% of 290.

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