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A jar contains 125 marbles. Given 3% of the marbles are green, 29% of the marbles are blue, and the rest are red, how many red marbles are in the jar?

User Chumie
by
3.3k points

2 Answers

6 votes
the answer is 110 red marbles in the jar
User Coding Man
by
3.4k points
8 votes

Answer:

Red Marbles

=

110

Explanation:

Given -

Total Number of Marbles

=

125

Green Marbles

=

6

%

Blue Marbles

=

6

%

Read Marbles

=

?

Green Marbles

=

125

×

6

100

=

7.5

Blue Marbles

=

125

×

6

100

=

7.5

Red Marbles = Total Number of Marbles -[Number of Green Marbles + Number of Blue Marbles]

Red Marbles

=

125

(

7.5

+

7.5

)

=

125

15

=

110

Red Marbles

=

110

Jim G.

Feb 27, 2018

110

Explanation:

consider 125 marbles to represent

100

%

then subtracting the percent of green/blue marbles

that is

100

6

6

=

100

12

=

88

%

red marbles

88

%

of the marbles are red

88

100

4

×

125

5

=

88

22

4

1

×

5

=

5

×

22

=

110

there are 110 red marbles in the jar

Explanation:

User Justin Simon
by
3.7k points