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3241004551 [841]
3 years ago
9

Weekly math review 3:3

Mathematics
1 answer:
rusak2 [61]3 years ago
6 0
What’s the question?
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If you add​ Natalie's age and​ Fred's age, the result is 36. If you add​ Fred's age to 4 times​ Natalie's age, the result is 72.
kozerog [31]

The known facts

  • the sum of Natalie's age and Fred's age is 36
  • the sum of Fred's age times four and Natalie's age is 72

Now, let's set up the equations where N is Natalie's age and F is Fred's age.

N + F = 36   ---- equation 1

N + 4F = 72 ---- equation 2

equation 2 minus equation 1 ---> 3F = 36 ---> F = 12, thus N = 24

Thus Fred is 12 years old, and Natalie is 24 years old.

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The math club must sell 50 pies in order to reach the goal of 200 dollars
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The weight of 3 eggs is shown. Identify the constant of proportionally of total weight to number of eggs. The weight of the eggs
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It would be 48g per egg
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antiseptic1488 [7]
Your answer is -2 1/12. :)
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Write a recursive rule for the arithmetic sequence 22,15,8,1
lara31 [8.8K]

Answer:

a=1

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Step-by-step explanation:

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