Sienna has a bag of colored marbles. the bag contains 70 green marbles, 42 orange marbles, and 28 purple marbles. what are the ratios of the number of green marbles, orange marbles, and purple marbles to the total number of marbles? a. green = 1 to 2; orange = 3 to 10; purple = 1: 5 b. green = 1 to 5; orange = 3 to 10; purple = 1: 2 c. green = 1 to 5; orange = 10 to 3; purple = 1: 2 d. green = 1 to 2; orange = 10 to 3; purple = 1: 5

A

Step-by-step explanation:

The total number of marbles = 70 + 42 + 28

Total = 140

Green:Total = 70 / 140 = 1:2

Orange:Total = 42/140 = 6:20 = 3:10

Purple:Total = 28/140 =4/20   = 2:10

1/2 = 5/10

2/10 = 1/5

Check

5/10 + 3/10 + 2/10 = 1 just as it should

A

B Green is bigger than 1:5. B is incorrect

C Green is bigger than 1:5. C is incorrect

D The orange ratio is the other way around

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step-by-step explanation:

30 people weigh 160 pounds or more