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Naddika [18.5K]
3 years ago
14

Mr fairfax ordered 3 large pizzas for a class party. Group A ate 6/6 of the first pizza, and Group B ate 8/6 of the remaining pi

zza. During the party, the class discussed which group ate more pizza. Did group A or B eat more pizza? Later, group C ate all remaining slices of pizza. What fraction of the pizza did group C eat?
Mathematics
1 answer:
densk [106]3 years ago
7 0
Group b ate more pizza because group a ate 1 whole pizza and b ate 1whole 2/6 and to find out how much c ate u do 1 whole plus 1 whole 2/6 which is 2 whole 2/6 and 4/6 is left. Group a ate: 1 whole pizza Group b ate: 1wholw 2/6. Group c ate: 4/6 and b ate the most
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Let x be equal to Jim's travel time
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Answer:

Step-by-step explanation:

Area of a rectangle = Length * Width

Given the dimension

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Width = 4x – 2

A) Area =  (4x^2 + 3x + 12)(4x – 2)

Open the parenthesis

= 16x^3-8x^2+12x^2-6x+48x-24

Area of land in Mathville = 16x^3+4x^2+42x-24

For the land in Algebratown

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Area = 10x^3+5x^2+2x^2+x-8x-4

Area  = 10x^3+7x^2-7x-4

B) difference between the area of Mathville and the area of Algebratown

= 16x^3+4x^2+42x-24 -(10x^3+7x^2-7x-4)

= 16x^3+4x^2+42x-24 -10x^3-7x^2+7x+4

collect like terms

= 16x^3-10x^3+4x^2-7x^2+42x+7x-24+4

= 6x^3-3x^2+49x-20

C) The difference if x = 9

Substitute x = 9 into the resulting function

A(x) = 6x^3-3x^2+49x-20

A(9) = 6(9)^3-3(9)^2+49(9)-20

A(9) = 2187-243+441-20

A(9) = 2,365

Hence the difference of the areas if x = 9 is 2,365

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Step-by-step explanation:

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step-by-step explanation:

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