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# the students have 12 bags of balloon with 24 balloons in each bag they have filled 139 with air. if they use all the bags how many still nee

Question

the students have 12 bags of balloon with 24 balloons in each bag they have filled 139 with air. if they use all the bags how many still need to be filled with air

A.67

B.149

C.288

D.365

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Mathematics
1 year
2021-09-03T16:25:47+00:00
2021-09-03T16:25:47+00:00 2 Answers
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## Answers ( )

Answer:149

Step-by-step explanation:12× 24 = 288

228 – 139 = 149

Answer:B. 149

Step-by-step explanation:If the students have already filled 139 balloons with air and are going to use all the bags. They would need to fill 149 more balloons.The first step would be to find the total number of ballons by calculating

12×24which will give you 288.From here you would need to subtract the number of ballons that are already filled with air from the balloons that remain which would be

288-139. This would give you a total of 149 balloons that still need to be inflated.