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This should help

base 3 numbers with 4 digits - 1000-2222 which is 27-80

base 6 numbers with 2 digits- 10-55 which is 6-35

the range is 27-35

the average is just the middle number for odd number consecutive positives

middle is 31

So the average of the positive integers, when written in base 3 that contains 4 digits but in base 6 contain 2 digits, is 31.

(sry if the image is blurry or hard to understand)

(also in the picture I messed up and said the top was 938 and not 978)

225=104+x+y can be simplified to x+y=121. Plugging that into 2x+2y+z=287, we get that z is 45. since we know y+z is 147, y is 102, and solving we get x is 19. 

pls correct me if I'm wrong or if I made some sort of mistake

In ordinary arithmetic, the expression has no meaning, as there is no number which, when multiplied by 0, gives a (assuming a ≠ 0), and so division by zero is undefined. Since any number multiplied by zero is zero, the expression 00 is also undefined; when it is the form of a limit, it is an indeterminate form. (Copy pasted from WIkipedia)

2 hrs 24 minutes i think

30 dimes, 29 nickels, and 35 pennies

Just saying your answer is wrong. 

2652/12 is equal to 221

1/221

150 cm cubed