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Q: 93 plus 68 plus 7 in properties?

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40 + 7 + 7 + 7 + 7 = 68

7

68

Associativity and commutativity.

45 + 48 = 93

5/7 + 9 = 5/7 + 63/7 = 68/7

-45m + 68 = 84m - 61 39m = 7 m = 7/39

So K > 93...

68 + 28x - 28 = 236 28x + 68 - 68 -28 + 28 = 236 - 68 + 28 28x = 196 x = 7

7+0.9+0.03 = 7.93 = 793/100 = 7 and 93/100

68 over 63

The first 5 primes are 2, 3, 5, 7, 11 Their product = 2310. Average of 5 numbers is 55 so their sum is 55*5 = 275. Two numbers, 68 and 93 are added so the new sum of seven numbers is 275 + 68 + 93 = 436 So the new average is 436/7 = 62.3 (to 1 dp).

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