Mathematics, 07.12.2021 22:40 chloebaby8

Im having trouble on some of these pls help 1. 72% of days is 18 days
2.If the sales tax in a town is 5% and Amanda pays $10 in tax on her purchase what was the cost of the item?
3.If 7 out of 25 students have a pet, what percent of the class has a pet?

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Im having trouble on some of these pls help 1. 72% of days is 18 days
2.If the sales tax in...