Can I get help on this please


Answer:
5. You can round question a up to 100 + 55 (then do the counting)
5. You can round question b up to 245 - 100 (then do the counting)
You can round question c up to 100 x 5 (then do the counting)
You can round question d up to 100 x 20 (then subtract accordingly)
Please rank Brainliest if this helps!