Answer:
yes they form a proportion
Step-by-step explanation:
1 to 3 and 7 to 21 are equal
we can check this by multiplying each number in the 1 to 3 ratio by 7 to make it equal with the other ratio, 7 to 21.
(sorry if this is confusing but I hope it helped)
Answer:
gm
Step-by-step explanation:
Answer:
FVRF
Step-by-step explanation:
$1.50C + $4A= $5050
C + A = 2200
-4(C + A = 2200)
-4C - 4A = -8800
1.50C+4A = 5050
-----------------------
-2.5C =- 3750
-2.5C/-2.5 =- 3750/-2.5
C = 1500
C + A = 2200
1500 + A =2200
1500 - 1500 + A = 2200 - 1500
A = 700
CHECK
$1.50C + $4A= $5050
$1.50(1500) + $4(700)= $5050
$2250 +$2800 =$5050
$5050 = $5050
C + A = 2200
1500 + 700 =2200
2200 = 2200
Answer: 
Step-by-step explanation:
Given
The sprinkler can water the area up to 
i.e. is the radius
If the screw leads to a reduction of 25% in radius, then the new radius is
So, the area corresponding to this radius
Thus, the maximum area that can be covered is
