If it takes eight men ten hours, it would take seven men nine hours, six men eight hours, five men seven hours and that brings us to the answer you need. It would take four men six hours.
Step-by-step explanation:
if I understand correctly, then he bought a CD with a balance of c and an annual interest rate of 6%.
now, after this one year the CD is worth (the account balance is) c + 6% = 100% + 6% = 106% = 1.06×c
Answer:
the answer is square root 5 over 2 square root 2
Step-by-step explanation:
Answer:
x = -1
y = -6
Step-by-step explanation:
7x - y = -1 -> y = 1 + 7x
7x + 3y = - 25
Put y = 1 +7x -> 7x + 3(1 +7x) = -25
-> x = -1
-> y = -6