Based on the method of solutions of equations, the number of Trucks carrying the fruits are as follows:
The solution of an equation makes the equation true.
From the data provided:
36 trucks went out carrying early peaches:
62 carried late peaches;
57 carried extra late peaches,
23 carried early and late,
30 carried late and extra late,
13 carried early and extra late,
4 carried all three:
7 carried only figs (no peaches at all).
The number of trucks that carry only late variety peaches:
Late Peach only = 63 - (30 - 4) - (24 - 4)
Number of Trucks that carried only extra late variety peach:
Extra late Peach only = 57 - (30 - 4) - (13 - 4)
Number of Trucks that carried only one type of peach?
Early Peach only = 36 - (13 - 4) - (23 - 4)
Early Peach only = 8 trucks
Then;
Number of Trucks that carried only one type of peach = 17 + 22 + 8
Total number of trucks that went out during the week:
Total number of Trucks = 47 + (13 - 4) + (23 - 4) + (30 - 4) + 7
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