Question

George is taking part in the charity swim. He received $345 in fixed pledges, and he received $30 more in pledges for each lap he swims. Write an equation for the amount of money P George will earn in terms of the distance d he swims, measured in miles.

Answer 1

Equation that represent Amount of money George will earn, $P=345+30d$

Let us consider, number of lap he swim is represented by d.

For one lap he will earn $ 30 more

Similarly, for d lap he will earn more,$=30d$

Since, $345 is fixed

So, amount of money he earn is given by equation,  $P=345+30d$

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