Answer: 30 pairs of shorts
21x+420=35x
subtract 21x from both sides of the equation.
420=14x
get rid of the x by division
420/14
you get 30 =x
4*2=8, 4-2=2, 2*9=18, 18+8= 26
26 is the answer
The answer is a.w+9 because it means the w plus 9 more it the same as 9 more than w
Answer:
divide perimeter by 3
Step-by-step explanation:
all 3 sides of an equilateral triange are equal, so you can divide the perimeter by 3 to get the length of one side
