Estimate the sum of 54,249 + 378,819 by first rounding each number to the nearest ten thousand.

a.
450,000

b.
440,000

c.
435,000

d.
430,000

The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.

Parks is wearing several rubber bracelets one third of the bracelets are tie dye 1/6 are blue and 1/3 of the remainder are camouflage if park swears to camouflage bracelets how many bracelets does he have on

How to do this , and can some one explain