I14-02

Question

https://gmatclub.com/gmat-focus-tests/resources/import/img/I14-02new.png 
 
The graph above shows the number of Burgers and Pizzas sold over a one-week period by an outlet that sells only these two items.
 
Select the most accurate option from each drop-down menu to complete the statements based on the information provided.

During the week shown in the graph,  GRAPH_1_PLACEHOLDER  had the highest percentage of burgers sold out of the total units sold on that day.

If the outlet sells only one type of burger and one type of pizza, and a pizza costs three times as much as a burger, then the outlet generated the highest sales revenue on  GRAPH_2_PLACEHOLDER .

Bunuel · Answer

Official Solution:

Drop-down 1: 
 
The highest percentage of burgers sold corresponds to the day with the largest ratio of burgers (blue bar) to pizzas (orange bar). Examining the graph, we can see that this ratio is largest on Saturday.
 
 Drop-down 2: 
 
The highest sales revenue would occur on the day for which (height of the blue bar) + 3 * (height of the orange bar) is the largest. Examining the graph, we can see that this value is highest on Sunday.

Correct answer:

Dropdown 1:  "Saturday "

Dropdown 2:  "Sunday"

Bunuel · Answer

I have revised the question, solution, and formatting by adding more details to enhance clarity

Uduakie · Answer

Please I don't understand why Friday in the first drop down isn't correct seeing as it has a higher ratio than saturday.

Bunuel · Answer

How does Friday have the higher ratio?

The  ratio of burgers (blue bar) to then total units on Friday = 65/(65 + 40) ≈ 0.6
 The ratio of burgers (blue bar) to then total units on Saturday = 60/(60 + 25) ≈ 0.7

gmatwizard805 · Answer

I like the solution - it’s helpful.

Ziniya · Answer

Isn't answer should be tuesday ?

tuesday : 36/(36+24) -- 0.72 ,which is higher than saturday's
saturday : 60(60+25) -- 0.705

Bunuel

Bunuel · Answer

Tuesday: 36/(36 + 24) = 60%, not 72%.

Yukta26 · Answer

I did not quite understand the solution. How it is saturday, description, and proper step by step solution for every question would be helpful

Bunuel · Answer

The solution is detailed enough and it's further elaborated in a couple of posts above. Here's another discussion of the same question with more details and an alternative solution: https://gmatclub.com/forum/the-graph-ab ... 25769.html. Please review and ask specific questions if anything still remains unclear.

roshomon · Answer

I like the solution - it’s helpful.

adip_bali · Answer

The question is talking about pizza's costing more than burgers, then should we not focus on higher volume of burgers being sold since we are maximising revenue?

Sorry, this part threw me off and I got to the wrong conclusion.

Bunuel · Answer

The question isn’t asking which item sells in higher volume; it’s asking which day brings in  more revenue . Since each pizza costs three times as much as a burger, a smaller number of pizzas can still generate more total revenue than a larger number of burgers. That’s why we multiply the pizza count by 3 and compare the total (burgers + 3 *× pizzas). Sunday ends up giving the highest total value.

peiyu09 · Answer

I don’t quite agree with the solution. pizza costs three times as much as a burger =/ pizza generates three times revenue as much as a burger

Bunuel · Answer

You are wrong. If a pizza costs three times as much as a burger, then each pizza brings in three times the revenue of one burger. So revenue is burgers + 3 * pizzas.

I14-02

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