Describe and tell why it is important to know how to add and subtract decimals when it comes to your life.

Reality.

Step-by-step explanation:

It is important because when you go to the store and you buy something you will need to know how much money you need to give that is why you need decimals. What if your try to tell them that coffee costs $1.50 and you don't use decimals and you write 150? that is why you need decimals.

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.

13664

step-by-step explanation:

=cross multiply

=100 x = 13664