Nos jogos olimpicos de verao ,o triatlo e composto de 1500 m de nataçao, 40.000 m de ciclismo e 10.000 m de corrida em certa competiçao de triatlo, os atletas devem nadar um vinte e cinco avos (fraçao) do percurso, correr um quinto (fraçao) e pedalar o restante a- que fraçao do percurso um atleta deve percorrer sem bicicleta? b- que fraçao do percurso o atleta percorre com a bicicleta? c- sabendo que nessa competiçao o percurso total é de 7500 m, quantos metros correspondem a cada um das etapas?

good luck!

cutie~

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

d

step-by-step explanation:

hello and welcome!

so, when we see the words "proportional" along with a table, we need to know that we're looking numbers that divide by the same thing.

looking at this table, we simply have to do a trial and error, and divide to see which numbers have the same quotient. if you look at choice a & c, they both have equal quotients for three of the numbers, with one exception, so those can't be the answer. looking at b, there is no similarity, so that can't be it. then, we see d; if you divide all the numbers in the table, you'll see that they all divide by two, which is a proportional relationship, and our answer!

also, always remember that the x will always be the number that goes into y, and somewhere behind this table, is a formula. for this specific table, the formula would be:

since our x-value is being divided by two to get the y-value. and if they were to ask for more numbers in the series, this is the formula you would use to find them.