Answer: 0.153
Explanation:
Given : Mafalda has a save percentage of 0.738 so far this hockey season. Last season, her save percentage was 0.585.
i.e. Previous save percentage = 0.585
New save percentage =0.738
Now, Mafalda’s save percentage improved by (we need to find the differnce between new and previous percentage ):
New save percentage- Previous save percentage
=0.738-0.585=0.153
Hence, Mafalda’s save percentage improved by 0.153.