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5 votes
A natural gas company charges a fixed customer fee of $ 12.60 every

month even if no natural gas is used. For every unit of natural gas used,
the customer is charged an additional $0.64.
a. Using x as the number of units used in a month and y as the total
monthly cost, write an equation

2 Answers

3 votes

y = 12.60 + 0.64x

Explanation:

y = $12.60 + $0.64(x)

y = 12.60 + 0.64x

User James Camfield
by
4.7k points
2 votes
Y=12.60+0.64x

$0.64 is charged for each unit which is represented by x. Therefore .64 is multiplied by x. 12.60 is the charge you have no matter what every month. So if you don’t use any gas you would still pay $12.60.
User Edoardo
by
4.4k points