Ratio and proportion - Grade 5 (Question: 1604463080) Locked
Jose has 42 ballpens. 12 of them are blue and the rest are black. What is the ratio of blue ballpens to the red ballpens?
A. 2:5
B. 5:2
C. 2:7
D. 7:2

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Jose has 42 ballpens. 12 of them are blue and the rest are black. What is the ratio of blue ballpens to the red ballpens?
A. 2:5
B. 5:2
C. 2:7
D. 7:2
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