Electra Electra
  • 17-05-2025
  • Mathematics
Middle School

Tommy works two jobs. As a clerk, he earns $7 an hour. As a receptionist, he makes $9 an hour. One week, he worked 24 hours and earned $200. How many hours did he work at each job that week?

Answer :

amna04352 amna04352
  • 15-11-2024

Answer:

Clerk: 8 hours

Receptionist: 16 hours

Step-by-step explanation:

Hours as a clerk: x

Hours as a receptionist: y

x + y = 24

x = 24 - y

7x + 9y = 200

7(24 - y) + 9y = 200

168 - 7y + 9y = 200

2y = 32

y = 16

x = 24 - 16 = 8

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