Emma will roll 2 number cubes labelled 1 through 6. She will record the sum of the two numbers after each roll. She will roll the 2 cubes 540 times. How many times should Emma expect the sum of 5?

She will roll 5 180 times

Step-by-step explanation:

There is two cubes rolled 540 times therefore,

540 x 2 = 1080 This is how many times a number was rolled

There is an equal probability of rolling any of the 6 numbers therefore

1080 ÷ 6 = 180 This means that she will roll any number on the dice 180 times.

Hope this Helps!!!

-Conrad

she will sew have sewn five dresses   and be 1/3 done with the sixth one in an hour.

step-by-step explanation:

3/4 of an hour=45 mins

lucy makes 1 dress per 11.25 minutes

45 mins+11.25 mins=56.25 mins

60 mins- 56.25 mins=3.75 mins

3.75 mins is 1/3 of of 11.25 mins

therefore she the other 1/3 would be part of the hour and she will have sewn 5 dresses and begun the sixth.

contact me if you have any questions you are welcome.