Thank you for posting your math question here at brainly. Among the choices provided the equation can used to find how many hours Melania worked in both jobs is letter B which is "13c + 9.25(38 – c) = 434" I hope it helps.
Answer:90%
Step-by-step explanation: we know this because the total about of questions on the test is 20 and for the score to add up to 100% each question has to be worth 5% so we can just do 5 x 18 to get 90%. or (5 x 2) - 100 to also get 90%
Answer:
54 units squared
Step-by-step explanation:
hope this helped!
9514 1404 393
Answer:
24.6%
Step-by-step explanation:
The cost of the ticket in euros is ...
£222 × €1.38/(£1) = €306.36
Then the ratio of the tax to the to the total cost is ...
€100/(€306.36 +100) = 100/406.36 ≈ 24.6%