Answer:
1. r= 47
2.h=23
3.n=80
4.q=35
Step-by-step explanation:
r=9+38
h=40-17
n=155-75
q=18+17
9/26 is the correct answer
Given:
Eighteen 2.5 gallon buckets are needed to fill a cistern with water.
To find:
The constant of variation.
Solution:
If y is directly proportional to x, then


Where, k is constant of variation.
In the given problem, water in cistern (w) is directly proportional to number of buckets (n).

(Capacity of each bucket is 2.5 gallons)
Therefore, the constant of variation is 2.5.
Answer:
they each hike 2 miles
Step-by-step explanation:
Jeff: 15=1/2
*4 *4
60 min=2 miles
Lisa: 10=1/3
*6 *6
60 = 2
Its A 100.48
64*3.14=200.96
200.96/2=100.48
easy