Join the IDNLearn.com community and start exploring a world of knowledge today. Find the solutions you need quickly and accurately with help from our knowledgeable community.

Help pls explain and how you got it

Help Pls Explain And How You Got It class=

Sagot :

Step-by-step explanation:

just minus 100 out of the percentage

for example 20% is 100 - 20 = 80

80% is 120 - 40 is half of 80 so multiply by 2 and you get 120
40% is 60 - given
20% is 30 - 20 is half of forty so half of 60 is 30
10% is 15 - half of 20 is 10 so half of 30 is 15
Not sure about the rest