Três amigos vão viajar para três cidades diferentes, mas querem partir da rodoviária ao mesmo tempo. Os ônibus deles têm saídas programadas: o primeiro sai a cada 12 minutos; o segundo sai a cada 18 minutos e o terceiro sai a cada 20 minutos. Se o último horário em que os ônibus partiram juntos foi às 13h20min. Quando irão sair juntos de novo?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.