Answer:
18
Step-by-step explanation:
The fraction 1/3 is equal to 6/18. There are 12 girls, and 6+12=18, so there is a total of 18 students.
Answer: 27
Step-by-step explanation:
Tom is 57 now. In 3 years he will be 60, but also twice as old as his son. 1/2 of 60 is 30. 30 minus the 3 years that hasn’t happened yet equals 27.
Answer: 12 1/2 years
Step-by-step explanation:
If the salary doubling in currency, it would need a 100% raise. Simply divide 100% by 8% to get the number of years needed.
100 / 8 = 12.5 or 12 1/2
8% of 25,000 = 2,000
25,000 / 2,000 = 12.5 or 12 1/2
Answer: 60.30 Euro
Step-by-step explanation: