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## The graph above shows the height of the tide

boomgoesthegmat Senior | Next Rank: 100 Posts
Joined
25 Apr 2016
Posted:
93 messages
1

#### The graph above shows the height of the tide

Sun May 01, 2016 9:30 am

The graph above shows the height of the tide, in feet, above or below a baseline. Which of the following is closest to the difference, in feet, between the heights of the highest and lowest tides on July 13 at Bay Cove?

A) 1.7
B) 1.9
C) 2.2
D) 2.5
E) 2.7

OA: E

OptimusPrep Master | Next Rank: 500 Posts
Joined
13 Mar 2015
Posted:
410 messages
Followed by:
7 members
120
GMAT Score:
770
Mon May 02, 2016 7:18 pm
boomgoesthegmat wrote:

The graph above shows the height of the tide, in feet, above or below a baseline. Which of the following is closest to the difference, in feet, between the heights of the highest and lowest tides on July 13 at Bay Cove?

A) 1.7
B) 1.9
C) 2.2
D) 2.5
E) 2.7

OA: E
From the graph, we can see the following information:

Highest tide at 11:30 AM = 2.2 ft
Lowest tide at 6:00 PM = - 0.5 ft

Difference = 2.2 - (-0.5) = 2.7 ft

Correct Option: E

### GMAT/MBA Expert

Rich.C@EMPOWERgmat.com Elite Legendary Member
Joined
23 Jun 2013
Posted:
9312 messages
Followed by:
478 members
2867
GMAT Score:
800
Sun May 01, 2016 10:45 pm
Hi boomgoesthegmat,

This question is really just about pulling the relevant information from the chart and doing the basic arithmetic to answer the question that's asked.

We're asked to choose the answer that closest to the DIFFERENCE between the highest tide and lowest tide in the table.

Highest Tide: 2.2 ft
Lowest Tide: -0.5 ft

Difference = (2.2) - (-0.5) = 2.7 ft

GMAT assassins aren't born, they're made,
Rich

_________________
Contact Rich at Rich.C@empowergmat.com

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