hyunjuchoi1998 hyunjuchoi1998

22-03-2022
Mathematics

contestada

There are 73 red, blue and green marbles in a jar. There are twice as many red marbles as blue marbles. There are 19 more blue marbles than green marbles. How many green marbles are there?

Respuesta :

sadlifez666 sadlifez666

22-03-2022

Given R=2B

R+B+G=73

B=G+19

2B+B+G=73

3B+G=73

3(G+19)+G=73

4G=73–57=16

G=4

B=4+19=23

R=2*23=46 (SO THE ANSER IS 4)

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