Acar wash business charges $10 per basic wash and $15 per ultimate wash. the total sales was $980 on a certain day. the variable x represents the number of basic washes and y represents the number of ultimate washes.

which equation models this situation?

10x + 15y = 980

Step-by-step explanation:

Here, x represents the number of basic washes and y represents the number of ultimate washes,

Since, the charge is $10 per basic wash and $15 per ultimate wash.

So, the total charges = ( 10x + 15y ) dollars

According to the question,

Total charge is $ 980,

⇒ 10x + 15y = 980

which is the required equation.

47

step-by-step explanation:

4th option is correct xy=-10

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