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Aprilbtrippin2004
02.09.2020 •
Mathematics
Sarah pays $45 every week. If she pays 70% of the bill. In a year, how much did Sarah pay? Her employer pay? and Total cost
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Ответ:
so total needs 35 gallons so this mean 3*10 +5 gallons
from these 10 gallons 2 gallons are white so from 3*10 gallons will be 3*2 gallons white what is 6 gallons white
but there are again 5 gallons till 35 gallons so than we know that from 10 gallons has 2 gallons white so from this result that from 5 gallons will be 1 gallon white
so these above resulted 6 gallons white plus assumed with this 1 gallon white so total will be 6+1=7 gallons of white paints she need