Answer:
17 + 23 = 40
23 - 17 = 6 the other person did it right.
Answer:
x + 2
Step-by-step explanation:
7x+14 divided by 7

Hope this helps !
Answer:
10x
Step-by-step explanation:
<h3>Expression:</h3>
Length = x unit
Width = 4*x = 4x
Perimeter = 2*(length + width )
= 2*(x + 4x)
= 2 *5x
= 10x
Answer:
24
Step-by-step explanation:
30%+40%=70%
100%-70%= 30%
what's 30% of 80?
80×0.3= 24