Answer:
A straight line
The gradient is -b/a
The y-intercept is at c/b
The x-intercept is at c/a
£3.99 divided by 8 is £0.49875
Which, changed into pence and rounded up, is 50p.
£2.79 divided by 6 is £0.465
Which, changed into pence and rounded up is 47p.
50p is bigger than 47p
50 subtract 47 is 3p
The second one has the better value for money as it costs 3p less per battery.
Answer: (3, 18)
Step-by-step explanation: Where the lines corss the x does not go over 10 so the only other option is a 3. If you cut the box hori in half in you mind, the top half being 15-20 and the bottom half bring 10-14, then you can see the lines cross on the top half. Meaning it’s at 18 not 12.
Step-by-step explanation:
12/30
find highest common factor; 6
divide both sides by 6
(12/6) (30/6)
2/5
Answer:
1286, I think
Step-by-step explanation:
