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umka2103 [35]
3 years ago
10

A ​used-car dealership buys a car for ​$2700 and then sells it for ​$3900. What is the percent​ increase?

Mathematics
1 answer:
uranmaximum [27]3 years ago
7 0

Answer:

400/9 = 44. 444... or 44.5

Step-by-step explanation:

difference in price/original price * 100

1200/2700 * 100

4/9 * 100

= 400/9

<em>percentage is 44.5 %</em>

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viva [34]
Number of tickets: T.
Number of customers: c 
Initially the number of tickets is T0=150, when the group hasn't sold any tickets (c=0). Then the graph must begin with c=0 and T=150. Point=(0,150). Possible options: Graph above to the right and graph below to the left.
They sell the tickets in pack of three tickets per customer c, then each time they sell a pack of three tickets to a customer, the number of tickets is reduced by 3 (-3c). Then the number of tickets, T, the group has left after selling tickets to c customers is:
T=150-3c→T=-3c+150

For T=0→-3c+150=0→150=3c→150/3=c→c=50. The graph must finish with c=50, T=0. Final point=(c,T)=(50,0)

Answer:
The correct graph is above to the right, beginning on vertical axis with T=150 and finishing on horizontal axis with c=50.
The correct equation is T=-3c+150

7 0
3 years ago
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4/6 simplfy it can someone help
Gemiola [76]

4/6=2/3 (divide both numerator and denominator by 2 (gcd)).

Hope this helps.

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