0.5 - 0.3 = ? (Show your answer as a fraction and a decimal)

What is 0.25 + 0.2 in word form?

10/100 + 4/10 =

6/10 +4/10 =

0.5 + 0.15 =

Ruby paints 3/10 of her bedroom on Monday and 0.3 of her bedroom on Tuesday. How much did she paint altogether?

Alicia reads 8/10 of a book on vacation and Casper reads 3/100 of a book. How much did they read altogether?

Jason gets 6/10 questions correct on his quiz, and Santiago gets 9/10 correct. How many more questions did Santiago get correct?

Sally walks 50/100 of a mile to get to school and Jessica walks 0.4 of a mile. How much further does Sally walk?

Seraphina scored 4/10 on her English quiz, Adelaide scored 3/100 and Emi scored 0.55. Order the results from GREATEST to LEAST