<span>will be selected as president of the sports club (and) will also be elected editor of the school magazine
you can see the ( and ) it means intersect
so
</span><span> president of the sports club </span>∩ <span>editor of the school magazine
= .7 * .4 = .28</span>
Answer:
Step-by-step explanation:
mark me Brainllest
His monthly bill before he installed the new windows was $339.074...
<u><em>Explanation</em></u>
Suppose, his monthly bill before he installed the new windows was dollar.
As his energy bill was decreased by 7.1% per month after installation, so <u>the amount of bill decreased</u> dollar
Given that, his new energy bill was $315. So the equation will be...
So, his monthly bill before he installed the new windows was $339.074...
15/20=.6
1-.6=.4
It decreased 40% since last year <span />