I’m not sure but maybe true
Answer:
(6,4)
Step-by-step explanation:
Midpoint=((x1+x2)/2 ,(y1+y2)/2)
((10+2)/2 ,(7+1)/2)
(6,4)
x1=10
x2=2
y1=2
y2=1
the question in English
50 t-shirts were sold at 10€ each. What benefit was obtained if the t-shirts were bought at 7€ each?
Let
x---------> the benefit in euros
we know that




therefore
<u>the answer is</u>
The benefit is equal to 
Answer:
D
Step-by-step explanation:
There are twice as many adults as children.
180=(-5w+25)+(4w+85)+75
105=-5w+25+4w+85
105=-w+110
-w=-5
W=5