John had $20. He earned $5, spent $10, earned $5 again, and then spent $3. After this series of earnings and expenses, how much
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Hi,
A)
B)
Only if n=4*k or n=4*k+1 , k beeing an integer.
A)
B)
Only if n=4*k or n=4*k+1 , k beeing an integer.
the correct question in attached figure
Let
A1 -------------------------> area rectangular plot=4*9=36 m²
A2 ------------------------- > area square plot=x²
we have that
A1=A2
A2=x²=36---------------> x=√36=6 m
the answer is 6 m
Let
A1 -------------------------> area rectangular plot=4*9=36 m²
A2 ------------------------- > area square plot=x²
we have that
A1=A2
A2=x²=36---------------> x=√36=6 m
the answer is 6 m