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The ratio of green balloons to blue balloons to red balloons at a school party was 2:5:4. How many blue balloons were there in the were total 143 balloons?

Respuesta :

out of 11 balloons 5 are blue . so 5/11 x 143 =65 blue balloons in total
sqdancefan
The total of ratio units is 2+5+4 = 11, so each one stands for 143/11 = 13 balloons. There are 5 * 13 = 65 blue balloons.

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