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A bag contains 150 marbles. Some are red and the rest are black. There are 14 red marbles for every black marble. How many red marbles are in the bag? Be prepared to explain your reasoning. 9 pts Question 7 ​

2 Answers

6 votes

Answer:

140

Explanation:

140 just multiply 14x10=140 and there are 10 black marbles

User DauleDK
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5.7k points
7 votes

Answer:

114

Explanation:

Ratio of red marbles to black marbles is 19:1. (Data from 3rd sentence)

19+1= 20

20 units= 120 (Data from 1st sentence)

1 unit= 120/20= 6

19 units= 120-6= 114 (Values solved in working above)

Ans: There are 114 red marbles.

i hope i cleared your doubt

User Bltzrrr
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5.9k points