There are 15 floors of an office building. Each floors of and office is 10 2/5 feet tall. 24 9/10 feet of the building are completed. 1 1/4 feet f the building can be finished each day. How many dad are needed to complete the building.

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volume of sphere =4/3.pi.r^3

One shot. if 60% of 10 is 6, then what is 70%? we know it would be seven (since 60% is mathematically 60/100, or 6/10, then 70% is 70/100, or 7/10) but we can check anyway using ratios: 6 : 60% = x : 70%*inverse multiplicationx * 60% = 6 * 70%*divide both sides by 60%x = (6 * 70%) / 60%x = 7and since he has made 6 shots already, he would need just one more to get 7 shots or 70%. if the explanation is too confusing, comment and i will try to