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GenaCL600 [577]
2 years ago
15

Susan has $80. She spends 3/5 of the money on Monday. She spends the remaining money equally over the next five days. How much m

oney does she spend on each of the five days?
Mathematics
2 answers:
blsea [12.9K]2 years ago
5 0
80/5=16
16*3=48
80-48=32
32\5=6.4
She spends $6.40 each day
Aliun [14]2 years ago
5 0

Answer: $6.4

Step-by-step explanation:

Total money = $80

She spends 3/5 of the money on Monday , means that she spends

3/5 x 80 = $48

That means she spent $48 on Monday , the remainder will be

$80 - $48 = 32

Since she spend the remaining money equally over 5 days , this means that she will spend 32/5 each day.

Therefore , she spent $6.4 each of the five days

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uysha [10]

Answer:

Step-by-step explanation:

\frac{12x}{2x-3x-10}-\frac{x}{x-5}=\frac{12x}{-x-10}-\frac{x}{x-5}\\\\=\frac{12x}{-(x+10)}-\frac{x}{x-5}\\\\=\frac{-12x}{x+10}-\frac{x}{x-5}\\\\=\frac{-12x*(x-5)}{(x+10)*(x-5)}-\frac{x*(x+10)}{(x-5(x+10)}\\\\=\frac{-12x*x-5*(-12x)}{(x+10)(x-5)}-\frac{x*x+x*10}{(x-5)(x+10)}\\\\=\frac{-12x^{2}+60x}{(x+10)(x-5)}-\frac{x^{2}+10x}{(x-5)(x+10)}\\\\=\frac{-12x^{2}+60x-(x^{2}+10x)}{(x+10)(x-5)}\\\\=\frac{-12x^{2} + 60x - x^{2}-10x}{x^{2}+5x-50}\\\\=\frac{-13x^{2}+50x}{x^{2}+5x-50}

8 0
3 years ago
Read 2 more answers
The perimeter of the square is equal to the perimeter of the triangle. What are the side lengths of each figure? square: ? units
blsea [12.9K]

Answer:

<em>Square= 12 units</em>

<em>Triangle long sides= 19 units</em>

<em>Triamgle short side= 10 units</em>

Step-by-step explanation:

<em>It is a square, so all sides are the same.  That means 3x+3 equals 4x.  What number can be subsituted into x to equal 4?  If x is 3, then 3x+3 would be 3(3)+3.  It equals 12.  4 times 3 is also 12.  It works!  That also means the square's side is 12 units.</em>

<em>Square= 12 units</em>

<em />

<u><em>So, x=3</em></u>

<em />

<em>The triangle's longer sides are 7x-2.  Subsitute x in, which is 3, and you get 7(3)-2.  It equals 19.  The two longer sides of the triangle are the same length, so both are 19 units.</em>

<em>Triangle long sides= 19 units</em>

<em />

<em>The triangles shorter side is 2x+4.  Subsitute 3 in for x and you get 2(3)+4.  It equals 10, so the shorter side is 10 units.</em>

<em>Triangle short side= 10 units</em>

7 0
2 years ago
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Jake earned $400 over the summer. He earned $220 mowing lawns, and he earned the rest washing cars for $10 each. He used this eq
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He washed 18 cars this summer
8 0
2 years ago
Martha invested a principal amount of $15,000 into a savings account that earns simple interest at a rate of 4.5% per year. How
lidiya [134]

Option A

The simple interest earned over 6 years is $ 4050

<em><u>Solution:</u></em>

Martha invested a principal amount of $15,000 into a savings account that earns simple interest at a rate of 4.5% per year

<em><u>The formula for simple interest is given as:</u></em>

Simple\ Interest = \frac{p \times n \times r}{100}

Where, "p" is the principal and "n" is the number of years and "r" is the rate of interest

From given,

p = 15000

r = 4.5 %

n = 6 years

<em><u>Substituting the values we get,</u></em>

Simple\ Interest = \frac{15000 \times 4.5 \times 6}{100}\\\\Simple\ Interest = 150 \times 4.5 \times 6\\\\Simple\ Interest = 4050

Thus simple interest earned over 6 years is $ 4050

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