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Coordinates and Graphs Videos 64 videos
ACT Math: Coordinate Geometry Drill 1, Problem 1. Which inequality is expressed by the number line?
ACT Math: Coordinate Geometry Drill 1, Problem 4. In which quadrant is point A?
ACT Math: Coordinate Geometry Drill 1, Problem 5. Which ordered pair is not on the line shown?
CAHSEE Math 1.5 Measurement and Geometry 239 Views
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Description:
Measurement and Geometry: Drill Set 1, Problem 5. What is the length of the actual sailboat in feet?
Transcript
- 00:03
Here's a question that's part of a balanced, shmoopy breakfast...
- 00:07
The following scale drawing of a sailboat is in a ratio of 1 inch to 6 feet.
- 00:12
Good thing, too, because we don't know many ants that like going out on the water.
- 00:16
What is the length of the actual sailboat in feet?
- 00:20
Here are the potential answers...
Full Transcript
- 00:24
Ok hallelujah -- this question is about conversion.
- 00:29
Er, um, from inches to feet, that is. There are 12 inches in a foot and the problem
- 00:33
gives us that 1 inch on this scale model is 6 feet so...
- 00:38
...since the answers are all in feet, we only care about feet. Like Nike.
- 00:42
So to convert the drawing's 3.75 inches into real life feet,
- 00:46
we multiply the inches figure by 6 feet.
- 00:50
And we get 3.75 times 6 which is 22.5
- 00:55
The answer is 22 and a half feet.
- 00:57
Answer D.
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