3900 bulbs were used to decorate a building. of these,25%were green ,15%were red ,and the rest were yellow find the number of yellow bulb used
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Answer:
2340
Step-by-step explanation:
total no. of bulbs= 3900
no. of green bulbs= 25% of 3900= 25/100×3900=975
no. of red bulbs= 15% of 3900= 15/100×3900=585
therefore, no. of yellow ball= 3900-(975+585)= 3900-1560= 2340
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