Ok, so
Length = L
Width = L + 7
Since area = length x width, then
30 = L × (L + 7)
Remember that L + 7 Is width so...
L + 7 = 30/L
So the expression for the width in terms of length would be...
w = 30/L - 7
The answer is 357 hope it helped
Answer:
12.5 mph
Step-by-step explanation:
50 miles / 4 hours=
25 miles / 2 hours=
12.5 mph
You have a 1:2 chance of guessing the right answer, if you have to guess between the two.