Which operation should be performed last to solve the inequality below?

–7x + 4 > –10
a
divide each side by –7 and reverse the inequality symbol
b
subtract 4 from each side
c
multiply each side by –7 and reverse the inequality symbol
d
add 4 to each side

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