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Study the given graph and answer the question that follows.
The line graph shows the number of plants planted by a student during the week.
| Day | Number of Plants |
|---|---|
| Mon | 12 |
| Tue | 11 |
| Wed | 15 |
| Thu | 16 |
| Fri | 12 |
| Sat | 10 |
| Sun | 11 |
What is the ratio of the number of plants planted on Friday to the number of plants planted on Saturday?
5:6
6:5
12:11
11:12
11:12
Express the values as a fraction and reduce to the simplest integer form by dividing by their greatest common divisor (GCD).
Number of plants planted on Friday = 12, Number of plants planted on Saturday = 10
Ratio=ValueSaturdayтАЛValueFridayтАЛтАЛ
Express the values as a fraction and reduce to the simplest integer form by dividing by their greatest common divisor (GCD).
Confusing the order of the ratio; the question asks for 'Friday to Saturday', so the result must be in the form Friday:Saturday.
Identify values from the graph
Looking at the line graph, locate the points for Friday and Saturday on the horizontal axis and find the corresponding values on the vertical axis. The value for Friday is 12 and the value for Saturday is 10.
Friday=12,Saturday=10
Set up the ratio
The question asks for the ratio of plants on Friday to the plants on Saturday, which is expressed as 12:10.
12:10
Simplify the ratio
Divide both numbers by their greatest common divisor, which is 2, to simplify the ratio to its lowest terms.
212тАЛ:210тАЛ=6:5
D is correct because the number of plants planted on Friday is 12 and on Saturday is 10, resulting in a ratio of 12:10, which simplifies to 6:5.
This type of data interpretation is common in DI (Data Interpretation) sections; always verify the units and labels on axes before performing calculations.
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