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serious [3.7K]
3 years ago
15

A pair of boots is 30dollars more than a pair of sandals. A pair of sandals cost s dollars each. Emily purchased 2 pairs of boot

s and 3 pairs of sandals write an expression representing the amount of money emily spent.
Mathematics
1 answer:
babunello [35]3 years ago
5 0

Answer: The expression representing the amount of money spent is 5x+60 by Emily.

Step-by-step explanation:

Since we have given that

Let the cost price of per pair of sandals be 's'

Let the cost price of per pair of  boots be 's+30'.

Number of pairs of boots = 2

Number of pairs of sandals = 3

Total cost would be

2(s+30)+3s\\\\=2s+60+3s\\\\=5s+60

Hence, the expression representing the amount of money spent is 5x+60 by Emily.

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10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

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Factorize 9(a+1)^2-81​
lora16 [44]

Answer:

The answer is 9(a-2)(a+4).

Step-by-step explanation:

Use a^{2} -b^{2} =(a-b)(a+b)  

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6 0
3 years ago
A book store has twice as many history books as science books. The store has 81 history and science books altogether how many of
atroni [7]

let h= history books

science books = s

h=2s  there are 2 times as many history as science so to get them equal we double the science

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2s+s=81   substitute 2s for h in the above equation

3s = 81   combine like terms

s = 27

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4 0
3 years ago
An adult ticket to a school play cost $5 and a student ticket cost $3. $460 dollars was collected and 120 tickets were sold. How
inn [45]
5x + 3y = 460
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5x + 5y = 600
Use elimination subtraction
-2y = -140
y = 70
There are 70 student tickets
3 0
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