TASK DEFINITION: You are provided with an arithmetic question. Your task is to compute the solution using the given arithmetic operations. The only arithmetic operators needed to answer the questions are'+'(addition) and'-'(subtraction). The answer should be correct to one decimal place.
PROBLEM: Sam found 35 seashells on the beach, he gave Joan 18 of theseashells. How many seashells does he now have?

SOLUTION: 17.0

PROBLEM: 0.5 the students in the band are in the trumpet section. 0.3 thestudents in the band are in the trombone section. What fraction ofthe students in the band are in either the trumpet section or thetrombone section?

SOLUTION: 0.8

PROBLEM: Joan picked 37 oranges and Sara picked 10 oranges. Alyssa picked 30pears. How many oranges were picked in total?

SOLUTION:
47.0