Answer:
18,9,4.5
Step-by-step explanation:
Answer:
2,200 students
Step-by-step explanation:
To find the number of students, create a proportion which is two equal ratios. Since the middle school and the high school are proportional then they have equal ratios.

Solve for x by cross multiplying by multiplying the numerator and denominator of each fraction.
900(110) = 45(x)
99,000=45x
2,200 = x
Answer: Money required to save in 3 weeks =490–175 =315
Let y represent the money to be saved and x represent the money to be saved per week
Then x = y/3 or 3x = y is the equation
Well first you need to divide 4 by 12 which is 3. So 15/3=5 so she jarred in 5 days.
Answer:
I think it is f-180+d I did this problem and I got this answer but if not correct I a. sorry