Answer:
D.3.5
Step-by-step explanation:
4x+2y=10(given)
2x+y=5
y=5-2x-----(1)
y=2x-1------(2)(given)
Since the left side of the equations are the the same,
5-2x=2x-1
4x=6
x=1.5
Sub x=1.5 into eq(1),
y = 5-2(1.5) = 5-3 = 2
so, x+y = 1.5+2 = 3.5
Answer:
Exact Form:
f=8/15
Decimal Form:
f=1.875
Step-by-step explanation:
45×2f = 4×12
90f = 48
48/90 = 24/45 = 8/15
285 liters is 75.289 U.S. gallons.
Answer:
120 meters
Step-by-step explanation:
18 ÷ 3 = 6
5 x 6 = 30
30 x 4 = 120