Mathematics: Arestraunt earns $1073 on friday and $1108 on saturday. write and solve an equation to find the amount x (in dollars) the restraunt needs to earn on sunday to average $100 per day over the three- day period. write your equation so that the units on each side of the equation are dollars per day.

Arestraunt earns $1073 on friday and $1108 on

Ответ:

jaybuck5570

17.01.2022

For this case, the average is the sum of the amounts of the three days divided by three.

We know the earn of Friday and Saturdar. We can assign x to the earn of saturday.

$Promedio= \frac{1073USD + 1108USD + xUSD}{3} =100 USD$

$Promedio= \frac{2181USD + xUSD}{3} =100 USD$

We need to multiply by 3 both sides of the equation.

$3(\frac{2181USD + xUSD}{3}) =3(100 USD)$

2181 USD + x USD =300 USD

We need to substrat 2181 USD in both sides.

2181 USD - 2181 USD + x USD =300 USD - 2181 USD

x USD =300 USD - 2181 USD

x USD = - 1881 USD

They need a negative earn in order to have an average earn of 100 USD per day.

1073 USD + 1108 USD - 1881 USD = 300 USD

300 USD / 3 = 100 USD <img src=

" alt="2181 USD - 2181 USD+ xUSD =3100 USD - 2181 USD" />" />

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Ответ:

bigb290

25.11.2022

Mathematics

27/220.

Step-by-step explanation:

To get £2.50 Pita has to take two pound coins and one 50p coin.

The probability of picking £1 then £1 then 50 p = 3/12 * 2/11* 9/10

= 9/220.

The number of possible arrangements of 2 pounds and 1 50p

= £-£-50, £-50-£ and 50-£-£.

= 3

So the required probability = 3 * 9/220

= 27/220.

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Arestraunt earns $1073 on friday and $1108 on saturday. write and solve an equation to find the amount x (in dollars) the restraunt needs to earn on sunday to average $100 per day over the three- day period. write your equation so that the units on each side of the equation are dollars per day.

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