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Colt1911 [192]
3 years ago
10

Lisa paid 43.95 for 16.1 gallons of gasoline.What was the cost per gallon,rounded to the nearest hundredth?Show your work

Mathematics
1 answer:
GrogVix [38]3 years ago
6 0

Cost per gallon is found by dividing the cost by the number of gallons.

$43.95/16.1 ≈ $2.7298137

Rounded to hundredths, this is $2.73.

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How long does it take a principal of $25,000 at a simple interest rate of 5% to become 30,000? Show all work
vodka [1.7K]

It takes 4 years for a principal of $25,000 at a simple interest rate of 5% to become 30,000

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

Given that:

principal = $ 25000

rate of interest = 5 %

Total amount = $ 30000

Number of years = ?

Formula used:

Total amount = principal + Simple interest

30000 = 25000 + Simple interest

Simple interest = 30000 - 25000

Simple Interest = $ 5000

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

S.I = \frac{pnr}{100}

Where, "p" is the principal

"n" is the number of years

"r" is the rate of interest

Substituting the values in formula, we get

5000 = \frac{25000 \times n \times 5}{100}\\\\5000 = 250 \times n \times 5\\\\n = \frac{5000}{250 \times 5}\\\\n = 4

Thus it takes 4 years for a principal of $25,000 at a simple interest rate of 5% to become 30,000

8 0
3 years ago
Can some one PLS help me with this problem it will be great x+5&lt;-4
lubasha [3.4K]

Answer:

The answer is <em>x<-9</em>

Step-by-step explanation:

x+5<-4

You move it to the right and you change the sign

This is what I mean: x<-4-5

Then you Calculate the Difference

So it will be: <em>x<-9</em> which is your answer

3 0
3 years ago
Which equation represents the scenario?
BlackZzzverrR [31]

Answer:

<em>30(30 - x) = 540 </em>

Step-by-step explanation:

A = l w

<u><em>30(30 - x) = 540</em></u>

7 0
3 years ago
Read 2 more answers
What is a correct first step in solving the inequality –4(3 – 5x)≥ –6x + 9?
Maksim231197 [3]
Hello,
 the first step should be to distribue:
-4(3-5x)= -12+20x

Teh resolution may be:

-4(3-5x)>=-6x+9
==>-12+20x>=-6x+9
==>20x+6x>=9+12
==>26x>21
==>x>=21/26

But an other way may be used:

-4(3-5x)>=-6x+9
==>3-5x<= -6x/(-4)+9/(-4)
==>-5x-3/2 x<=-9/4 -3

==>-13/2 x <=-21/4

==>x>= -21/4 *(-2/13)
==>x>=21/(2*13)
==>x>=21/26

5 0
3 years ago
Read 2 more answers
There are two options for borrowing $5,000 from a bank: Bank A = 3% simple interest for 5 years Bank B = 2.5% simple interest fo
Andrew [12]
BANK A:
5,000*0.03*5=750
BANK B:
5,000*0.025*6=750

They are the same
6 0
2 years ago
Read 2 more answers
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