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In the pattern below, what will be the 78 th letter written? ABBCCDABBCCDA….. (and so on)

The sum of the digits of the number 2010 is 3. What is the next larger number whose digit-sum is also 3?. To keep a digit of 3, move 1 one place to the left. The next larger number whose digit-sum is 3 is 2100.

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In the pattern below, what will be the 78 th letter written? ABBCCDABBCCDA….. (and so on)

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  1. The sum of the digits of the number 2010 is 3. What is the next larger number whose digit-sum is also 3? • To keep a digit of 3, move 1 one place to the left. The next larger number whose digit-sum is 3 is 2100.

  2. In the pattern below, what will be the 78th letter written?ABBCCDABBCCDA….. (and so on) The pattern length is 6 and then it starts again. The first D is 6 The second D is 12 78/6 = 13 Because 6 goes into 78 evenly you know that the 78th letter will be a D.

  3. If you triple Jen’s age and subtract 16, the result will be the same as when you double her age and add 8. How old is Jen?

  4. This figure consists of two squares. Each side-length is a whole number of cm. The combined areas of the squares is 100 sq cm. What is the perimeter of the entire figure?

  5. A pile of coins sits on a table. Sara takes half of the coins plus 4 more. Then Nick takes 2. Then Joe takes 2 more than half of what is left. Finally Selena takes 5. 4 coins remain on the table. How many coins were on the table to start with? Work Backwards: • You have 4 left. Selena took 5. 4 + 5=9 (left) • You have 9 left. Joe takes 2 more than half of what is left. 9 + 2=11 (left)/ 11 x 2=22 (left) • You have 22 left. Nick takes 2. 22 + 2=24 (left) • You have 24 left. Sara takes half of the coins plus 4 more. 24 + 4=28 (left)/ 28 x 2=56 56 coins were left on the table.

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