The column graph illustrates data on four writing devices utilized by university student s measured by the rate of sum exercises from 1970 to 1994. It can be seen the percentage of total exercises done by computer increase while that of fountain and point pens decrease.
The proportion of sum exercises done by computers rise rapidly. There was about 10 % of task that finish by computers in 1982. This figure increase sharply by 40% during 12 year and reach a peak at 50% in 1994. Therefore, the percentage of total assignment which university students used computer to done to account for 60% from 1982 to 1994.
In contrast, the percentage of amount homework done by ball point and fountain pens were are gradual decrease. The proportion of ballpoint pens was below 50% and fountain pen was 35% in 1970. These data dropped dramatically about 40% and 5% respectively in 1982, and then continued to fell to the lowest point around 3% and 7% in 1994. Consequently, the proportion of sum tasks done by ballpoint account for 97% higher than fountain pen about 43% between 1982 and 1994.
I do not have the graph, but I think I mostly understand what the information is. ). Question: what is the 4th writing device since you only name 3: computer, ballpoint pen, and fountain pen?
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I do not have the graph, but I think I mostly understand what the information is. (By "sum exercises" do you mean "math problems"?). Question: what is the 4th writing device since you only name 3: computer, ballpoint pen, and fountain pen?
In any case, here is how I would write this:
The column graph illustrates data on four writing devices utilized by university