Answer:
wsp, answer is 5,5 i'm pretty sure
Step-by-step explanation:
or its 0.5
<span><em />
3x+y=5</span>
<span /><span>2x-2y=22 ...............2(x-y)=22 ⇒ x-y=11</span><span><em /></span>
<span><em>3x+y=5</em></span>
<span /><span><em><u>x-y=11 </u> </em>(+)</span>
<span />3x+x+y-y=11+5
<span>4x=16 /:4</span>
<span /><em>x=4</em>
x-y=11
4-y=11
-y=7 /*(-1)
<em>y=-7</em>
<span><em></em></span>
equation : c=£1.25 for example to find out 3 cans : 3c= £1.25x3
Answer:
The answer is $12
Step-by-step explanation:
Multiply each price by 20% (0r .2) then add them. OR
Add each price then multiply them by 20$ (or .2)
Hoped this helped!
