Answer:
11
Step-by-step explanation:
if george is 30 than edward would be 15 as he is twice younger than george
and robert would be 11 as he is 4 year younger than edward.
This would be 6:45 PM, or 18:45 in 24 hour time.
Hope this helps :)
<span><span>(<span>7y+2<span>y2</span>−7</span>)</span>−<span>(<span>3−4y</span>)</span></span>
<span>=<span>7y</span><span>+4y</span>+2<span>y2</span><span>−7</span><span>−3</span></span>
<span>=11y−2<span>y2</span>−<span>10</span></span>
Hope this helps
