Mathematics, 14.06.2021 19:30 macwaters

Pls help me your awnser will depend on me graduating. Dear God I hope someone will awnser i have a dead line here. (Info:)(The height of a candle from 10 centimeters to 6 3/4 Centimeters after burning for 1/2 of a hour The candle continues to burn at the same rate)
(Questions:)
1.)The Ratio 6 3/4 : 1/2 Describes the rate the candle burns in centimeters per hour. True or False?
2.)The candles burns one centimeter in 3/12 hours. True or false?
3.)The product 13/4 x 2 can be used to find the rate to find the unit rate in centimeters per Hour. True or False?
4.) after one hour, the height of the candle will have decreased by 6 1/2 Centimeters. True or False

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Pls help me your awnser will depend on me graduating. Dear God I hope someone will awnser i have a d...