Carlos has 4/5 of a tank of fuel in his car and he uses 1/10 of a tank per day, How many days will his fuel last HELP A GIRLL OUTT PLS

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount