2*a+5-(9*a-16)=0 witch equals <span> a=3</span>
Answer:
t = 2n + 3
Step-by-step explanation:
Given
4n = 2(t - 3) ← divide both sides by 2
2n = t - 3 ( add 3 to both sides )
2n + 3 = t
Well, we can see that 115x refers to something that increases by 115 per purchase, while the 100 refers to a one time cost. Out of the possible answers the only one time charge is the installation charge, which refers to the 100$, and the 115x refers to the computers. In 115x, the 115 refers to how much a computer costs, and the x refers to the number of computers.
2, 70$ : 3 = 0, 9o $The total cost for each pen
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