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Susan ordered x pizzas for $11 each. In addition, each pizza topping c

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Susan ordered x pizzas for $11 each. In addition, each pizza topping c  [#permalink]

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New post 16 Oct 2016, 11:10
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Susan ordered x pizzas for $11 each. In addition, each pizza topping cost $4 for the first pizza and $3 for each additional pizza. If each pizza had exactly one topping, which of the following gives the total cost, in terms of x, of the pizzas Susan ordered.

a) 11x + 1
b) 11x + 4
c) 14x + 1
d) 14x + 2
e) 14x + 4
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Re: Susan ordered x pizzas for $11 each. In addition, each pizza topping c  [#permalink]

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New post 16 Oct 2016, 11:18
alanforde800Maximus wrote:
Susan ordered x pizzas for $11 each. In addition, each pizza topping cost $4 for the first pizza and $3 for each additional pizza. If each pizza had exactly one topping, which of the following gives the total cost, in terms of x, of the pizzas Susan ordered.

a) 11x + 1
b) 11x + 4
c) 14x + 1
d) 14x + 2
e) 14x + 4

Please assist with above problem.


Cost of x pizzas is = 11x
Cost of Toppings is = Cost of first topping + Cost of ( x - 1 ) toppings
Cost of Toppings is = 4 + 3( x - 1 )

So, Total cost = 11x + 4 +3x - 3
Or,Total cost = 14x + 1

So, Answer will be (C) 14x + 1
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Re: Susan ordered x pizzas for $11 each. In addition, each pizza topping c  [#permalink]

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New post 16 Oct 2016, 11:21
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Assume that toppings for each pizza costs $3

So total cost = 11x +3x = 14x

But for first pizza we have to pay $1 extra.

So answer is 14x+1

C


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Re: Susan ordered x pizzas for $11 each. In addition, each pizza topping c  [#permalink]

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New post 16 Oct 2016, 11:22
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alanforde800Maximus wrote:
Susan ordered x pizzas for $11 each. In addition, each pizza topping cost $4 for the first pizza and $3 for each additional pizza. If each pizza had exactly
one topping, which of the following gives the total cost, in terms of x, of the pizzas Susan ordered.

a) 11x + 1
b) 11x + 4
c) 14x + 1
d) 14x + 2
e) 14x + 4

Please assist with above problem.


(i) X pizzas costing $11 each: 11x
(ii) X toppings costing $4 for the first one, and $3 for each subsequent pizzas: $4 + $3(x-1)

Therefore total cost = (i) + (ii) = 11x + 4 + 3(x-1)

Simplifying: 14x + 1. The answer is C.
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Re: Susan ordered x pizzas for $11 each. In addition, each pizza topping c  [#permalink]

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New post 23 Jan 2018, 15:02
Hi All,

To start, there's an 'issue' with this question: the prompt does not explicitly state whether the pizzas actually have the SAME one topping or not. GMAT questions are carefully worded to eliminate this type of confusion. I'm going to assume that the pizzas DO have the same topping...

This question can be solved by TESTing VALUES.

IF... X = 2, AND the pizzas have the SAME topping, then Susan would have spent a total of ($11)(2) + $4 + $3 = $29

Final Answer:

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Re: Susan ordered x pizzas for $11 each. In addition, each pizza topping c   [#permalink] 23 Jan 2018, 15:02
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