20% of the students purchased their lunch. 180 students brought their lunch from home. How many students are in the sixth grade?

Officials estimate that 320,000 Boston-area partygoers attended last year's Independence Day celebration on the banks of the Charles River. They also estimate that the partygoers left behind 40 tons of garbage.

como calcular la cantidad de horas por proyecto si un contratista tiene 5,000 horas-hombres y el costo es de $10 y $12 por proyecto para un total de $55.000 horas-homres

Carrie billed her legal clients $8,000 for legal work completed during the month. what will this transaction do?

lonley monkey is trying to learn how to message people on this app he needs to be level 5 to do so sadly that means he must put in work if he gains 5 xp for every question and lvl 5 is 1,000,000 xp how many hours does he have to put in?

15 arches decreased by 80%

Josephine was asked to make a one-fiftieth scale model of the new water tower for her town. She constructed the model that is shown below. A water tower has a height of 2.25 feet and diameter of 1.25 feet.

How would you write 0.00568 in scientific notation?

Mario was visiting the carnival when he noticed a few number relationships. If three tenths of the visitors were adults and there were 100 visitors that were adults?

How do you find the absolute deviation of a data

One night a theater sold 186 movie tickets. an adults ticket cost $14, and a childs costs $10. in all, $2148 was taken in. How many of each kind of ticket were sold?