79.8k views
25 votes
Amber earns £7 for each hour she works from Monday to Friday. She earns £10 for each hour she works on Saturday. One week Amber worked for 4 hours on Saturday. That week she earned a total of £180 (a) How many hours did Amber work that week?

User Nhenrique
by
5.7k points

1 Answer

6 votes

Answer:

24 hours

Explanation:

4·10 = 40

180 - 40 = 140

140/7 = 20 hours from Mon - Fri

4 hours on Sat

20 + 4 = 24

User Dinesh Katwal
by
6.0k points