Answer:
2a +b =5
Step-by-step explanation:
4a + 2b = 10
Divide each side by 2
4a/2 +2b/2 = 10/2
2a +b =5
Answer:
A= 7x+21
Step-by-step explanation:
A= 7*(x+3)
A= 7x+21
Simply distribute the 7 by multiplying it with everything in the parentheses.
3/4, 5/8 = 6/8, 5/8
3/4, 1/12 = 9/12, 1/12
1/6, 5/24 = 4/24, 5/24
2/9, 1/6 = 4/18, 3/18
1/4, 3/7 = 7/28, 12/28
1/12, 7/24 = 2/24, 7/24
2/5, 1/2 = 4/10, 5/10
1/16, 3/8 = 1/16, 6/16
8/9, 1/5 = 40/45, 9/45
Hello the Answer:<span>x><span>15</span></span>
Answer:
30 km
Step-by-step explanation:
7½ litres → 225 km
1 litre → 225 ÷ 7½ = 30 km
