It's saying <em>d </em><em> </em>÷ <em>h </em><em> </em>= <em>x.</em>
<em>d </em> is the money
<em>h</em> is the hours
<em>x</em> is the unknown answer
You said that <u> A = 1/2 b h</u>
Multiply each side by 2 : 2A = b h
Divide each side by 'h' : <em>2A/h = b</em>
This question doesnt make sense u need to attach a picture
Answer:
Step-by-step explanation:
15x+10x=12x+90; ⇔ 13x=90;
The answer is 35 because 20-10=10 then 25+10=35 so niki made 35 points on her final round
