Can anyone check my answers to see if it’s correct?

If i have 20$ and i gave 5$ away how much i got

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)