Answer:
8
Step-by-step explanation:
x is 8
Responder:
14x - 40 = 310
Explicación paso a paso:
Dado que:
El baloncesto cuesta 10 € menos que un balón de fútbol
10 balones de fútbol y 4 de baloncesto cuestan 310 €
Para formar una ecuación:
Deje que el costo de:
Balón de fútbol = x
Costo del baloncesto = x - 10
Por lo tanto,
Costo de 10 balones de fútbol = 10 * x = 10x
Costo de 4 pelotas de baloncesto = 4 * (x - 10) = 4x - 40
Coste total :
Coste del balón de fútbol + coste del baloncesto = 310 €
10x + 4x - 40 = 310 €
14x - 40 = 310
14x = 310 + 40
14 veces = 350
x = 25 € = coste del balón de fútbol
Coste del baloncesto = 25 € - 10 € = 15 €
I'm not sure if that's what you mean, but I assume you might want to know how long did it take to make one lap if someone did 21 laps in 7 minutes.
If so, just divide 7 by 21:
7 ÷ 21 = 0.3333333... (repeating decimal) or 1/3 as a fraction.
It means that one lap took 1/3 of a minute (20 seconds).
If that's not what you meant, please specify the question :)
Answer:
It will be $506.876 more.
Step-by-step explanation:
The equation for continuously compounded interest is given by
.......... (1)
where, A is the final amount, P is the principal amount, r is the annual interest rate and t is the number of years.
Now, in our case, P = $500, r = 7% i.e 0.07 and t = 10 years.
Then, from equation (1),
dollars
Therefore, the interest will be (A - P) = $(1006.876 - 500) = $506.876. (Answer)
So Robert and his 3 friends
so 4 people.
now the steak
there are 3 each being different ounces
8.2 ounces + 8.1 ounces + 8.9 ounces
is 25.2 ounces
25.2 ounces ÷ 4 people
so each person gets 6.3 ounces
