Question

show the ratios of red marbles to blue in 4 jars

jar - 3 : 2 jar 2 -4 : 3 jar 3 - 5 : 4 jar 4- 7 : 6


which jar could contain 15 red marbles and 12 blue marbles

jar 3
jar 1
jar 2
jar 4

Answer 1

15:12 reduces to 5:4 (divide both by 3). That matches jar 3's ratio, so jar 3.