Math Problem Statement

30% of the reward earned by the work of three persons belongs to the third person and half of the total remuneration is shared by the first person and the third person.If the second person's share is Rs.

Solution

We are tasked with dividing the total remuneration among three persons based on the given conditions. Let's analyze the problem step by step.


Let:

  • The total reward = RR.
  • The shares of the first, second, and third persons = x1x_1, x2x_2, x3x_3 respectively.

Conditions given:

  1. 30%30\% of the total reward RR belongs to the third person: x3=0.3Rx_3 = 0.3R

  2. Half of the total reward is shared between the first and third persons: x1+x3=0.5Rx_1 + x_3 = 0.5R

  3. The second person's share is given as x2x_2, but its value is missing from the question. Let's denote it by x2x_2.


From condition 1, substitute x3=0.3Rx_3 = 0.3R into condition 2:

x1+0.3R=0.5Rx_1 + 0.3R = 0.5R x1=0.5R0.3Rx_1 = 0.5R - 0.3R x1=0.2Rx_1 = 0.2R


Total reward distribution:

The total reward is distributed as: R=x1+x2+x3R = x_1 + x_2 + x_3 Substituting the values of x1x_1 and x3x_3: R=0.2R+x2+0.3RR = 0.2R + x_2 + 0.3R R=0.5R+x2R = 0.5R + x_2 x2=0.5Rx_2 = 0.5R


Interpretation:

  • The second person's share, x2x_2, is 0.5R0.5R, meaning the second person gets half of the total reward.
  • If the second person's share is Rs. x2x_2, we can express the total reward RR as: R=2x2R = 2 \cdot x_2

Final Results:

If the second person's share is given (say Rs. 200200, for example): R=2200=Rs.400R = 2 \cdot 200 = Rs. 400 x1=0.2R=0.2400=Rs.80x_1 = 0.2R = 0.2 \cdot 400 = Rs. 80 x3=0.3R=0.3400=Rs.120x_3 = 0.3R = 0.3 \cdot 400 = Rs. 120


Do you want me to solve it with a specific value for x2x_2? 😊


Expanding the Discussion:

  1. What happens if the conditions are altered, e.g., 40%40\% for the third person?
  2. How would this work if we used ratios instead of percentages?
  3. What if all three persons had equal shares?
  4. How do we adjust if x2x_2 is expressed as a fraction instead of an exact percentage?
  5. How can this problem be visualized using pie charts for clarity?

Tip:

Always verify your calculations by adding the parts to check if they sum to the total!

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Math Problem Analysis

Mathematical Concepts

Percentages
Algebra
Proportional Distribution

Formulas

x3 = 0.3R
x1 + x3 = 0.5R
R = x1 + x2 + x3

Theorems

Proportional distribution in percentages

Suitable Grade Level

Grades 8-10