Step-by-step explanation:
8x+5(-4x)=24
8x-20x=24
-12x=24
x=24/-12
x=-2
We are given the data here that there are 21 teams and that in the tournament, for each opponent, one team has to play with each other twice. The formula to follow here is T = n*(n-1)*z/2 where T is the total number of games played in total in the tournament, n is the number of teams who participated and z is the number of times they have to face in the eliminations. 2 is attributed to prevent the repetition of the count in the reverse of roles of the opponents. In this case, upon substitution, then T =21*20*2/2 = 420 games in total.
1+2=3.
30/3=10
10x1=10
10x2=20
So the answer would be £10:£20
And to check if it’s right £10 + £20= £30
First you have to find how many times she will have to walk 3/5 miles to get to 2 miles [2 divided by 3/5. Another way is to divide 2 by 6/10 (.6) ] This is 3.3333333..... Then you will have to multiply this by 24 to find how many minutes it took her to walk the 2 miles.
It took her 80 minutes. Another way to say this is 1 hour an twenty minutes.
you can also write it as a fraction, 1 2/6 hour or 1 1/3 hour.