Answer
$0.90 is the old price for 1 litre.
Solution step by step
Given N as New price
O as Old price
10 = $9.20 new price
1 = x new price
Cross multiply
$9.20x = 10N
$9.20x/10 = 10N/10
$0.92 = 1N
$0.92 per litre
To find Old price
$0.92 - 2 cents
Old price for 1 litre = $0.90
20 litre = $0.90(20)
20 litre = $18
I think the answer is A sorry if it's wrong
Answer:
Mixed number form is...
<em>I hope this helped at all.</em>
Answer:
9) 130° (vertical to 130°)
10) 50° (supplementary to 130°, 180° - 130° = 50°)
11) 130° (alternate exterior to 130°)
12) 130° (vertical to 130°)
Step-by-step explanation:
