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.

[EX Q]: It rained 0.9 inches on Monday. On Tuesday, it rained 0.7 inches lessthan on Monday. How much did it rain on Tuesday?
[EX A]: 0.2

[EX Q]: A tailor cut 0.75 inch off a skirt and 0.25 inch off a pair of pants. Howmuch more did the tailor cut off the skirt than the pants?
[EX A]: 0.5

[EX Q]: Kenji and his classmates placed colored blocks on a scale during ascience lab. The yellow block weighed 0.6 pounds and the greenblock weighed 0.4 pounds. How much more did the yellow blockweigh than the green block?
[EX A]:
0.2