332,893 views
1 vote
1 vote
HELP!!!!!!!!!

Your school is raising money for a non-profit organization. The local chapter of the non-profit organization keeps 80% of the money raised, and 20% goes to the national chapter of the non-profit organization. Four of your friends each donate the same amount. The total money you raise for the local chapter of the non-profit organization is is $51.20. How much does each friend donate?

User Tiago Lopo
by
3.3k points

2 Answers

21 votes
21 votes
Answer :$16

Expiation:
User Jbryer
by
3.1k points
19 votes
19 votes

Answer:

$16

Explanation:

Let x = friends' donations

y = local chapter funds

4x = y

.8y = 51.2

Divide both sides by 0.8 for the second equation

.8y/.8 = 51.2/.8 = 64

Plug in the new y in the first equation

4x = 64

Divide both side by 4

4x/4 = 64/4

x = 16

User Hmofrad
by
3.2k points