R = 10a - 20
ur revenue totaled 110...so R = 110
110 = 10a - 20
110 + 20 = 10a
130 = 10a
130/10 = a
13 = a <== so u spent $13 on advertising
Answer:
A. 7:1
Step-by-step explanation:
14/2 is 7
35/5 is 7
and 56/8 is 7
Answer:
To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.
C is the answer to this question
Your answer is c. 248,700 its kinda tricky but yeah
