2.4+3.06=5.46
5.46+.75=6.21
The answer is 6.21
<h2>(x, y) = (21/13 , 84/13)</h2>
Step-by-step explanation:
x + 3y = 21
- 4x + y = 0
y = 4x
<h2>_____________</h2>
x + 3y = 21
x + 3(4x) = 21
x + 12x = 21
13x = 21
x = 21/13
y = 4x
y = 4 (21/13)
y = 84/13
(x, y) = (21/13 , 84/13)
Answer:
Step-by-step explanation:

Answer
49500litres
Step-by-step explanation:
Check attachment
Answer:
64
Step-by-step explanation:
16 x 4 = 64