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sergij07 [2.7K]
3 years ago
15

Dally has a discount card that reduces the price of her grocery bill in a certain grocery store by 5%. If c represents the cost

of Sally's groceries, what expression represents Sally's grocery bill?
Mathematics
1 answer:
creativ13 [48]3 years ago
5 0
C is the cost of groceries.

if there is 5% discount, then the current price = 100% - 5% = 95%

= 95%  of c

= (95/100) * c

= 0.95c 
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Write an expression that is equivalent to the following: <br><br> x+x+x+x-20
SSSSS [86.1K]

Answer:

4x-20 is the same as x+x+x+x-20

8 0
3 years ago
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The seventh grade class at a Christian school had 24 students enrolled at the beginning of the school year. At the end of the sc
Darya [45]

Answer:

12.5%

Step-by-step explanation:

27-24=3

3/24=1/8

1/8=0.125

0.125 in percent is 12.5%

7 0
2 years ago
What's the answer to this question
sesenic [268]
C. 110. This is because all triangles add up to equal 180*. So you add the two angles you have and subtract from 180.
5 0
3 years ago
Natalie consumes only apples and tomatoes. Her utility function is U(x, y) = x 2y 8 , where x is the number of apples consumed a
Kamila [148]

Answer:

16 apples.

Step-by-step explanation:

U(x, y) = x^2y^8

MU_x =\frac{\partial U}{\partial x}  = 2xy^8\\MU_y = \frac{\partial U}{\partial x} = 8x^2y^7\\

Price of apples, Px=$4

Price of tomatoes,  Py=$3

Ratio of their Marginal Utilities

\frac{MU_x}{MU_y}  =  \frac{Px}{Py}

\frac{y}{4x}  =  \frac{4}{3}

y=\frac{16x}{3}

Since Natalie’s income is $320

320 = xPx+yPy

320=4x + 3*\frac{16x}{3} \\320= 4x+16x = 20x\\x=\frac{320}{20} = 16\\Also\\y=\frac{16x}{3}=\frac{16X16}{3}=\$85.33

Since x=16, Natalie will consume 16 apples.

6 0
3 years ago
In a recent year, certain colleges and universities received about $268 million in aid. Ten years later, they received about $94
topjm [15]
D) 65% decrease. 

I worked it out by: 268 mill - 94 mill (calculating the difference in money) 
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And since the money is decreasing, it is a 65% decrease. 

Hope this helps, and I think it should be right - but maybe double check in case :) 
8 0
3 years ago
Read 2 more answers
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