Horticultural Arithmetic: A Supplied Degree-Day Model

Horticultural Arithmetic: A Supplied Degree-Day Model

Original quantitative learning practice in English. All 24 questions are included. Four supplied cases exercise six related calculation targets; they form one topic, not four separate tests. Every question includes the complete initial data. Use the stated model and retain intermediate precision. Choose one answer. Learning target: 20/24, not an official pass mark. This bank covers the calculation topic in its title; it is not a complete professional examination, design approval or operating instruction.
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Use a teaching model where daily contribution=max(0,(minimum+maximum)/2−base), with no upper cap. Base is 10 °C. Three days have min/max pairs (6,14), (12,22), (16,26) °C. Earlier accumulation is 70 degree-days. A hypothetical model threshold is 120; it is not a biological treatment recommendation. Calculate the additional degree-days to the hypothetical threshold. Keep intermediate values unrounded; round the final result to four decimal places if necessary.