Then a is Half of 45 wich is 22.5 I believe.
Answer:
8x+2y=68
If this doesn't answer your question, please comment so that I can help you.
The answer is £150.
This could be calculated using proportion. If £1 is €1.2, how many £ is €180:
£1 : €1.2 = x : <span>€180
</span>x = £1 ÷ €1.2 × <span>€180</span>
x = £150
3.482×10^9
Imagine the decimal at the end of the last 0 and move it 9 places to the left
That's 6! (factorial). It's 720.
