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.

Tim found 37 seashells and Sally found 13 seashells on the beach.When they cleaned them, they discovered that 25 were cracked.How many seashells did they find together?
50.0

On her vacation last summer, Trisha walked all over New York City to buy souvenirs. First, she walked 0.12 mile from her hotel to a postcard shop. Then she walked 0.15 milefrom the postcard shop to a T-shirt shop and 0.63 mile from the T-shirt shop back to the hotel. How many miles didTrisha walk in all?
0.9

Vince's bus ride to school is 0.725 mile and Zachary's bus ride is 0.525 mile. How much longer is Vince's bus ride than Zachary's?

0.2

