Question

a pound of chocolate costs 7 dollars. josh buys p pounds. write an equation to represent the total cost c that josh pays.

Explanation:

Step1: Define cost relationship

Total cost equals price per pound times number of pounds.

Step2: Substitute given values

Price per pound is 7, pounds are $p$, total cost is $c$.
$c = 7 \times p$

Answer:

$c=7p$