Answer:
-4+-4
Step-by-step explanation:
Answer:
A) (2+x)/(4+x) × 100 = 75
B) 4
Step-by-step explanation:
2 out of 4
(2+x) out of (4+x)
(2+x)/(4+x) × 100 = 75
(2+x)/(4+x) = 3/4
8 + 4x = 12 + 3x
x = 4
Answer:
120ft and 240ft
Step-by-step explanation:
720 = 2L + 2W
Since L = 2W, we get
720 = 2(2W) + 2W
6W = 720
W = 120
L = 2W = 2(120) = 240
The dimensions of the yard are 120 feet and 240 feet
Answer:
subs with credentials get paid $87 per day. subs without credentials get paid $55 per day.
Step-by-step explanation:
let x be the cost subs with credential get paid per day and y be the cost subs without credential get paid per day
so we get

using simultaneous equation by substitution method you get x=87 and y=55