Rachel drinks 2 glasses of water on Sunday and 4 glasses of water on Monday. Then she drinks 3 glasses of water every day for the next 4 days. One glass of water is 10 ounces of water. If Rachel wants to drink a total of 220 ounces of water in the week (Sunday to Saturday), how many glasses of water should she drink on Saturday?
How many glasses of water does Rachel drink on Sunday and Monday? ** From Sunday and Monday, Rachel drinks 2 + 4 = <<2+4=6>>6 glasses of water
How many glasses of water does Rachel drink on Tuesday to Friday? ** From Tuesday to Friday, Rachel drinks 3 * 4 = <<3*4=12>>12 glasses of water
How many glasses of water does Rachel drink from Sunday to Friday? ** The total glasses of water she drinks from Sunday to Friday is 6 + 12 = <<6+12=18>>18 glasses of water
How many ounces of water does Rachel drink from Sunday to Friday? ** The total ounces of water she drinks from Sunday to Friday is 18 * 10 = <<18*10=180>>180 ounces
How many ounces of water should Rachel drink on Saturday? ** The ounces of water she should drink on Saturday is 220 - 180 = <<220-180=40>>40 ounces
How many glasses of water should Rachel drink on Saturday? ** The glasses of water she should drink on Saturday is 40 / 10 = <<40/10=4>>4 glasses of water
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