Answer:
He sold 21 CDs
Step-by-step explanation:
200w + 2c = s
W= weeks C= cd sold S = total salary
The equation to determine Ryan's total salary is S = 200 + 2x.
The number of CDs Ryan sold in a week is 21.
Given,
Ryan works at a music store and earns $200 per week plus $2 for each CD that he sells.
We need to make an equation to determine Ryan's total salary for one week.
And find the number of CDs Ryan sold if his total salary in a week is $242.
Ryan's earnings in a week = $200.
Cost of one CD = $2
Since we are to calculate Ryan's earnings in a week, $200 is fixed in the equation.
Ryan can sell any number of CDs in a week.
So we can write the equation to determine Ryan's total salary S in a week as :
S = 200 + 2x
Where x = number of CDs Ryan can sell in a week.
Ryan's total salary in a week.
S = $242
To find the number of CDs Ryan's sold in a week we need to write the equation as:
S = 200 + 2x
242 = 200 + 2x
2x = 242 - 200
2x = 42
x = 42 / 2
x = 21
Thus the number of CDs Ryan sold in a week is 21.
Learn more about making equation word problems here:
https://brainly.com/question/15266195
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