Question

If Marco's contribution is a percentage of the total cost, where p represents that percentage written as an equivalent decimal, represent the total cost of Marco's coverage in terms of d and p.

Answer 1

`T = (d)/(p)`

Explanation:

Given

`d = Contribution`

`p = Percentage\ as\ decimal`

See attachment for complete question

Required

Express total in terms of d and p

Let the total cost be represented with T.

Since he pays d out his total earnings, T. Then the expression for p is:

`p = (Contribution)/(Earnings)`

This gives:

`p = (d)/(T)`

Multiply both sides by T

`pT = d`

Divide both sides by p

`T = (d)/(p)`