720 ways... if you divide six into all answers, 720 is the only rational number
25 is the better estimate because 25-19=6 si yeah it's 25
1st one: since we are dealing with the same unit, months and aid cannot mix so this is wrong
2nd one: doesn't include the 2.59 so this is wrong
3rd one: includes both 70% and 2.59 so this is correct
4th one: this doesn't include a greater than sign > so this is wrong
the answer is the 3rd one
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