Asked by Lily

1. In an ordered set of 4 consecutive odd integers, the sum of 3 times the second integer and the greatest integer is 104. Which is the least integer in the set?

Choices: 11, 17, 19, 23, 27


2. How old is David if his age 6 years from now will be twice his age 7 years ago?

3. If the value of n nickels plus d dimes is c cents, what is n in terms of d and c?


Thank you so much! It'll mean a lot to me if you answer all three of these questions!

Answers

Answered by drwls
1. Why not just see which one works?
Try 11. Is (3x13)+ 17 = 104? No

So, try the 23.
Is (3x25)+ 20 = 104? Yes
Answered by Lily
Does anybody know 2 and 3?
Answered by Ms. Sue
2. Let x represent his current age. Solve for x.

x + 6 = 2x - 7

3.
n + d = c
n = c - d
Answered by ms tooba
3.


5n + 10d = c
5n = c - 10d
n = c/5 - 2d
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