The Corner Cafe restaurant has 20 tables with a total of 72 seats. Each table has either 2 seats or 4 seats. Let t represent the number of tables that have 2 seats, and let f represent the number of tables that have 4 seats. Which of the following systems of equations can be used to find the values of t and f ?

answer: 4 meters

step-by-step explanation: to you understand 2/3 better you can do 1 divided by 3 = . then multiply that by the 2 which is .66666666666666667 then you would do 6 x .66666666666666667 which is 4.      

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step-by-step explanation:

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)