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Lelechka [254]
3 years ago
13

Due to inflation, a fixed quantity of money can buy 3% less every year. If Pam has enough in her wallet to buy 47 movie tickets

right now, how many movie tickets could the same amount of money buy in 10 years?
If necessary, round your answer to the nearest whole number.
Mathematics
1 answer:
Nitella [24]3 years ago
7 0
3% x 10 years is 30%. 47 - 30% is 14.1 or 14
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In a certain game, a player can solve easy or hard puzzles. A player earns 30 points for solving an easy puzzle and 60 points fo
Aleksandr-060686 [28]

Answer:  Second option.

Step-by-step explanation:

Let be "e" the number of easy puzzles Tina solved and "h"  the number of hard puzzles Tina solved.

Set up a system of equations:

\left \{ {{e+h=50} \atop {30e+60h=1,950 }} \right.

You can use the Eliminationn Method to solve this system of equations:

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Therefore, through this proccedure, you get:

\left \{ {-30e-30h=-1,500} \atop {30e+60h=1,950 }} \right.\\.........................\\30h=450\\\\h=\frac{450}{30} \\\\h=15

6 0
3 years ago
6. Which expression is equivalent to -21 + 28x? *
ollegr [7]

Answer:

21/28

Step-by-step explanation:

Are there any answer choices?

-21 + 28x = 0

28x = 21

Divide by 28

x = 21/28

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Explain how you can use a model to find 6 x17
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