What’s 222,702 to the nearest ten thousand

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons

Are these right ? plus what is the answer for number