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Montano1993 [528]
3 years ago
14

The Burns family went to breakfast at the huddle house. Mr. Burns ordered a meal for $7.75, Mrs. Burns ordered a meal for $ 9.50

. the four kids ordered kids meals for $3.49 each. They left a 20% tip. How much was the bill Excluding tax?
Mathematics
2 answers:
postnew [5]3 years ago
5 0

Answer:

The bill Excluding tax was $41.64

Step-by-step explanation:

Price of food ordered by Mr.Buns = $7.75

Price of food ordered by Mrs. Buns = $9.50

Price of food for each kid = $3.49

Price of meal for 4 kids = 3.49 \times 4 =13.96

Total cost for family = 7.75+9.50+3.49+13.96 =$34.7

They left a 20% tip.

So, Amount of tip =20\% \times 34.7 = \frac{20}{100} \times 34.7 =6.94

So, Total cost including tip = 6.94+34.7 =41.64

Hence the bill Excluding tax was $41.64

kow [346]3 years ago
4 0

Answer:

The bill excluding tax is $31.21 and the 20% tip was $6.24.

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marissa [1.9K]

Answer:

13058.83 cubic inches

Step-by-step explanation:

Given that a rectangular box is having dimensions as 41x81 inches.

Let x be the side of square cut from all the four corners.

The open box made would have height as x and length 41-2x with width 81-2x

Volume =

V(x) = x(41-2x)(81-2x)\\V(x) =x(3321-244x+4x^2)\\V(x) = 3321x-244x^2+4x^3\\V'(x) = 3321-488x+12x^2\\V"(x) = -488+24x\\

Equate first derivative to 0

We get applicable root as x = 8.642

Max volume = 13058.83 cubic inches

3 0
3 years ago
Can someone plz help me solved this problem I need help plz help me! Will mark you as brainiest!
I am Lyosha [343]

Answer:

13 l of 15%, 13 l of 25%, 26 l of 70%

Step-by-step explanation:

solutions:

  • 15%, 25% and 70%

final solution:

  • 52 l of 45%

This includes 0.45*52l= 23.4 l acid

Let's assume:

  • amount of 15% solution= x
  • amount of 25% solution= y
  • amount of 70% solution= z
  • and we have z=2y

so there are 2 equation:

  • x+y+z=52
  • 0.15x+0.25y+0.7z=23.4

or

  • x+y+2y= 52 ⇒ x+3y= 52 ⇒ x= 52- 3y
  • 0.15x+0.25y+1.4y=23.4
  • 0.15x+1.65y=23.4
  • 0.15*(52-3y)+1.65y=23.4
  • 7.8-0.45y+1.65y=23.4
  • 1.2y=23.4-7.8
  • 1.2y= 15.6
  • y=15.6/1.2
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6 0
3 years ago
Rewrite as a simplified fraction.
Alex17521 [72]
1157/500 is as simple it can be as a fraction .
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3 years ago
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5 0
3 years ago
Mateo compró un artefacto gastando los 3/7 de su dinero, quedándole 360 soles, ¿Cuál era el dinero que tenía Mateo al inicio?
Debora [2.8K]

Answer:

840 soles

Step-by-step explanation:

Sea la cantidad de dinero que Mateo tenía al principio = x

Mateo compró un artefacto gastando 3/7 de su dinero, dejándole 360 ​​soles,

Por eso,

3/7 × x = 360 soles

3x / 7 = 360 soles

Multiplicar cruzada

3x = 7 × 360 soles

x = 7 × 360 soles / 3

x = 840 soles

Por tanto, el dinero que tenía Mateo al principio es de 840 soles

5 0
3 years ago
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