Answer:
Step-by-step explanation:
3/4x = 6 Multiply both sides by 4/3
4/3 * 3/4 x = 6*4/3 Combine
x = 6 * 4/3
x = 6 * 4/3
x = 24/3
x = 8
Answer:
9 cents per day
Step-by-step explanation:
1 week = 7 days
Each razor lasts 1 week = 7 days
10 razors last 10 weeks = 10 * 7 days = 70 days
cost per day = (total cost)/(number of days)
cost per day = $6.30/(70 days) = $0.09/day