El señor Lopez compró un generador que funcionará durante 2 horas con un litro de gas. El tanque de gas en el generador es un prisma rectangular con dimensiones de 20 cm por 15 cm por 10 cm como se muestra. Si el señor Lopez llena el tanque con gas, ¿cuánto tiempo funcionará el generador? ¿Mostrar cómo llegaste a tu respuesta? [1000 cm3 = 1 litro] Explica tu respuesta.

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

The school track has eight lanes. each lane is 1.25 meters wide. the arc at each end of the track is 180. the distance of the home straight and the radii for the arcs in the 1st 4 lanes are given. s=85m r1=36.5m r2=37.75m r3=39m r4=40.25m part one: find the radii of lanes 5 through 8 of the track. show your work. part two: if max ran around lane one, how far did he run? show your work and explain your solution. part three: max wants to run a total of three laps around the track, choose two additional lanes (2-8) for him to run and find the distance around those two lanes. show your work and round to the hundredths. part 4: based on your lane choices in part three, what was the total distance max ran in the three laps around the track?