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omeli [17]
3 years ago
10

Sienna has a bag of colored marbles. The bag contains 70 green marbles, 42 orange marbles, and 28 purple marbles. What are the r

atios 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
Mathematics
1 answer:
zhuklara [117]3 years ago
7 0

Answer:

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

Answer: 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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