The answer is £582.4. If you add £448 + 30%, then it would equal to <span>£582.</span>
The standard form:

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<em>use distributive property</em>
<em>multiply both sides by 8</em>

<em>add 2x to both sides</em>
<em>add 8 to both sides</em>

Answer:
3500
Step-by-step explanation:
I divided everything and I ended up just multiplying 70x50 which got me 3500. I'm sorry, but I don't know in what way to write the equation. I don't know if it's y=mx+b or some other way. all I was able to come up with was y=50x+70
Answer: y = 3 or y=7
Step-by-step explanation:

what 2 factors of 21 can equal 10 when added together (1*21- no 3*7- yes)
Factor

y-3=0
y=3
or y-7=0
y=7