The cost of the lunches for the field trip can be represented by the expression:
2 answers:
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Answer:
Step-by-step explanation:
According to coulombs law "the force of attraction or repulsion between two charges Q1 and Q2 in a given medium is directly proportional to the product of their charges and inversely proportional to the square of the distance separating them"
where
k = constant of proportionality ()