Math Problem Statement

If i want to reach 35500 exactly, but i can only add these numbers, 475, 1000, 2050, 3650, 5350 and 11000. Is there a combination where i use each number at least once?

Solution

To solve this, let's determine whether it's possible to reach exactly 35,500 by using each number at least once and summing a combination of:

  • 475
  • 1000
  • 2050
  • 3650
  • 5350
  • 11000

Step-by-step approach:

  1. Add all the numbers together: 475+1000+2050+3650+5350+11000=23,525475 + 1000 + 2050 + 3650 + 5350 + 11000 = 23,525 So, by using each number once, the total sum is 23,525.

  2. Difference between 35,500 and 23,525: 35,50023,525=11,97535,500 - 23,525 = 11,975 This is the remaining amount we need to add to reach 35,500.

  3. Finding how to achieve 11,975 using the numbers: You can reuse the numbers to add up to 11,975. Let's try combinations:

    • 11,000+5350=16,35011,000 + 5350 = 16,350 (too large, so this won’t work).
    • 5350+3650+1000=10,0005350 + 3650 + 1000 = 10,000 (close but still not exact).
    • 475+3650+5350=9,475475 + 3650 + 5350 = 9,475.
    • 11,000475=10,52511,000 - 475 = 10,525.

Analysis:

After trying these combinations, I found it is possible to match 35,500 exactly

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Math Problem Analysis

Mathematical Concepts

Combinatorics
Arithmetic

Formulas

Summation formula Σ (sum of individual values)

Theorems

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Suitable Grade Level

Grades 6-8