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Andrew [12]
3 years ago
8

Home Station had a promotion offering $4 off on a gallon of house paint. Write an equation for the cost,C,of 15 gallons paint in

terms of the regular price,p.
Mathematics
1 answer:
ohaa [14]3 years ago
3 0

Answer:

Therefore the required equation is C = $ 15p - 60

Step-by-step explanation:

i) the price per gallon of paint  = $p

ii) promotion offering price per gallon = $(p-4)

iii) cost of 15 gallons at the rate of promotion offering, C = 15(p - 4) = 15p - 60

Therefore the required equation is C = $ 15p - 60

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For what values of x is the following inequality true? 5/7 + x/7 >(underlined) 10. PLZ HELP!!! 12 points
Rufina [12.5K]
Hello! Thank you for your question! I will be most happy to help!

So here what we are going to do is solve for X.

Step 1: Simplify x/7

Equation at the end of step 1: 5/7 + x/7 - 10 > 0

Step 2: Simplify 5/7

Equation at the end of step 2:

5/7 + x/7 - 10 > 0

Step 3: Adding fractions which have a common denominator: 

3.1 Adding fractions which have a common denominator
<span>Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

5 + x / 7 = x + 5 / 7

Equation at the end of step 3:

(x + 5) / 7 - 10 > 0

Step 4: Rewriting the whole as an Equivalent Fraction:

</span>4.1 Subtracting a whole from a fraction 
<span>
Rewrite the whole as a fraction using 7 as the denominator:
</span>
10 = 10 / 1 = 10 * 7 / 7

Equivalent fraction: <span>The fraction thus generated looks different but has the same value as the whole 

</span>Common denominator: <span>The equivalent fraction and the other fraction involved in the calculation share the same denominator
</span>
Adding fractions that have a common denominator :

4.2 Adding up the two equivalent fractions 

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

(x+5) - (10 * 7) / 7 = x - 65 / 7

Equation at the end of step 4:

x - 65 / 7 > 0

Step 5: 5.1 Multiply both sides by 7

Solve Basic Inequality:<span><span> 

5.2 </span>Add <span> 65 </span> to both sides
<span><span>
x > 65

Final answer: x > 65</span></span></span>
3 0
3 years ago
Besties pls help did I get these right?
lana66690 [7]

Answer:

Yep!

Step-by-step explanation:

I'm not 100% sure if your first one is correct, but I know the second one is! Great job :)

8 0
3 years ago
What is the midpoint of A (-2,-4) and (4,-7)
Sloan [31]
The answer/midpoint is 1,5.5
5 0
3 years ago
This is Simple Interest Ration and percent 7 grade please help
Scrat [10]
The total to be paid is 909.5.
You must do 7% of 850 which is 59.5 and add it to 850 which is 909.5
3 0
3 years ago
JON TIPS THE WAITRESS $3.00 WHICH IS 20% OF THE COST OF HIS MEAL. HOW MUCH DID JON'S MEAL COST?
ale4655 [162]
Jon's meal costs $15.00

tip - $3.00
equivalent to - 20% of the cost of the meal.

$3 / 20% = 3 / 0.20 = $15

To check:

3/15 = 0.20 * 100% = 20%
15 * 20% = 3
3 0
3 years ago
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