Question

B. An investment worth i costs $10 to withdraw, then the remaining amount is shared

between four people. Suppose each person gets $40. How much was the

investment worth?

Equation:

Solve it:

Answer 1

the equation 10 = x - y

Explanation:

Let x represent the initial value of the investment, and let y represent the amount of money that each person receives after the investment is withdrawn.

We know that the cost of withdrawing the investment is $10, so we can write the equation 10 = x - y. We also know that each person receives $40, so we can write the equation y = 40.

We can now solve for x by substituting the value of y into the first equation. Since y = 40, we can substitute 40 for y in the equation 10 = x - y to get 10 = x - 40. Solving this equation for x, we find that x = 50.

Therefore, the initial value of the investment was $50.