Answer:
A is right I believe
Step-by-step explanation:
a: 5x
b: 2x
c: 1/5x
d: 1/2x
Part A) About 19/100
Part B) About 4/25
Part C) About 7/20
Part D) About 13/20
Answer:
As there are 2 equations and two unknowns there is 1 solution
(a) * (a+1) = 420
a^2 + a = 420
a^2 + a - 420 = 0
(a+21)(a-20) = 0
a = -21 OR 20
The two integers can be -21 and -20, OR 20 and 21.
The smaller the length u can figure out and if u can't put a small square in the cornorn