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slavikrds [6]
3 years ago
14

At a certain store, the taco sauce was on sale for 1/5 off. With a coupon for an additional 40 cents off, the final cost of the

sauce was $1.20.
Which equation will help Marvin to figure out how much his payment will be?
Let x = one installment

A) c - 1/5c + 40 = 120
B) c - 1/5c - 40 = 120
C) 1/5c = 120 - 40
D) 1/5c = 120 + 40
Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
7 0
B) c - 1/5c - 40 = 120


c- (original cost) - 1/5c (sale) - 40(coupon)= 120(final cost)

Hope that helps! :)
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Answer:

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Please can someone help me answer these questions? Would be really grateful if it was done by the 12th of January. Thank you :)
FrozenT [24]
1. 4g= 37-5
 ⇒ 4g= 32
⇒ g= 32/4
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2. c= 5*6
⇒ c= 30

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⇒f+4= 15
⇒ f= 15-4
⇒ f= 11.

4. b+6= 30/5
⇒ b+6= 6
⇒ b= 6-6
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7. d-5= 12/3
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⇒ d= 4+5
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8. m-4= 16/4
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9. q+6= 30/5
⇒ q+6= 6
⇒ q= 6-6
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10. h/3= 3+5
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⇒ h= 8*3
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16. y-1= 1/3
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6 0
3 years ago
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N 2+ 6n - 16 = 0<br> Solve equation by factoring.
Naily [24]

Answer:

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Step-by-step explanation:

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3 years ago
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inna [77]

Answer:

Cost of One Journal =  $3.99

Cost of One pen =  $0.59

Step-by-step explanation:

Let

Cost of One Journal = x

Cost of One pen = y

We can make equation from given statements.

Mr. Bowden purchases 18 journals and 40 pencils for $95.42.

18x+40y=95.42

Ms. Jacinto purchases 11 journals and 16 pencils for $53.33.

11x+16y=53.33

Now solving these equations to find the value of x

18x+40y=95.42--eq(1)\\11x+16y=53.33--eq(2)

Multiply eq(1) with 2 and eq(2) with 5

36x+80y=190.84\\55x+80y=266.65\\-\:\:\:\:-\:\:\:\;\:\:\:\:\:\:\:-\\---------\\-19x=-75.81\\x=\frac{-75.81}{-19}\\x=3.99\\

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Now, putting value of x in equation 1 to find value of y.

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So, we get the value of y: y = 0.59

Now, finding the costs:

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3 years ago
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Answer:

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Step-by-step explanation:

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