Math Problem Statement
Solve this
Solution
To solve these questions systematically, let's analyze the problem step by step. The data provided is:
- The ratio of students who like both Banana and Orange to those who like only Apple is 5:4.
- Total number of students who like only one of the three fruits is 28,000.
- Number of students who like both Apple and Banana but not Orange is 1,440 more than those who like both Apple and Orange but not Banana.
- Total number of students who like exactly two fruits is 14,360.
- Ratio of the number of students who like only Apple to those who like all three fruits is 6:5.
- Students who like Banana is 225% more than students who like only Apple.
- Total number of students who like Orange is 26,760.
The questions to solve:
Question 11: Ratio of students who like both Apple and Orange but not Banana to those who like both Apple and Banana but not Orange?
Define:
- : Students who like only Apple.
- : Students who like only Banana.
- : Students who like only Orange.
- : Students who like both Apple and Banana but not Orange.
- : Students who like both Apple and Orange but not Banana.
- : Students who like both Banana and Orange but not Apple.
- : Students who like all three fruits.
From the data:
- .
- (students liking exactly two fruits).
Question 12: Find the number of students who like all three fruits.
Given:
- The ratio of to is , so ( Aining given data from sympy import symbols, Eq, solve
Variables
A = symbols('A') # Students who like only Apple ABC = symbols('ABC') # Students who like all three fruits AB = symbols('AB') # Students who like both Apple and Banana but not Orange AC = symbols('AC') # Students who like both Apple and Orange but not Banana BC = symbols('BC') # Students who like both Banana and Orange but not Apple
Known values
only_one_fruit = 28000 two_fruits_total = 14360 orange_total = 26760 ratio_A_to_ABC = 6 / 5 # A : ABC banana_more_than_A = 2.25 # 225% more AB_to_AC_diff = 1440 # AB is 1440 more than AC
Equations
1. Ratio A : ABC = 6:5
eq1 = Eq(A, (6/5) * ABC)
2. B = 3.25 * A
B = 3.25 * A
3. Total number of students who like exactly two fruits
eq2 = Eq(AB + AC + BC, two_fruits_total - 3 * ABC)
4. AB = AC + 1440
eq3 = Eq(AB, AC + 1440)
5. Total number of students liking only one fruit
C = symbols('C') # Students who like only Orange eq4 = Eq(A + B + C, only_one_fruit)
Solve for A, ABC, AB, AC, BC, C
solution = solve([eq1, eq2, eq3, eq4],The initial equations are partially solved, but we need further clarification about the number of students who like exactly one fruit. The symbolic results so far depend on , which is the number of students who like only Orange.
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Math Problem Analysis
Mathematical Concepts
Set Theory
Ratios and Proportions
Linear Equations
Percentages
Formulas
n(A ∪ B ∪ C) = n(A) + n(B) + n(C) - n(A ∩ B) - n(B ∩ C) - n(A ∩ C) + n(A ∩ B ∩ C)
Ratios (e.g., a:b = x:y => a/x = b/y)
Percentage Increase: Final Value = Initial Value × (1 + Percentage/100)
Theorems
Principle of Inclusion-Exclusion
Suitable Grade Level
Grades 10-12
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