P.S. I hope this helps! This may be incorrect, so you may need to check. By the way, remember to try to do at least of the work and not rely too much on Brainly :)
The thing is, these are benchmark fractions and percentages, so they're really important to learn. You use them <em>all the time</em> as you grow older, and you won't always get the chance to look them up. Best of luck ^-^
