Answer:
x=8 and y=2
Step-by-step explanation:
Formula : Amount of change / Original amount
1. 144 - 90/ 144
2. Subtract 144 and 90
3. 54/ 144
4. Divide 54 by 144
5 0.375
6 Move the decimal two places to the right.
7. 37.5 %
Answer: 37.5% is the markup rate
Adding the student with eight siblings will increase the class average amount of siblings because this student has more siblings than the average.
Therefore, the average number of siblings that each student has is larger than the original average.
Answer:
x = HJ/7 + 27/7
Step-by-step explanation:
Hope this helps!
