He grates 6/8 pounds of cheese in all.
For this problem, you just have to add the numerators and keep the denominators.
4/8 + 2/8 = 6/8.
Remember, if the denominator is the same, just add the numerator.
Your answer is:
n = 3/11
Hope it helps
Tierra's equation: 1.05 x 100 = 105. She will have $105 in her savings account
Cameron's equation. 100 + 0.005 x 100 = 100.5. She will have $100.5 in her savings account.
Justice's equation: 100 x 1.005 = 100.5. She will have $100.5 in her savings account.
The account either has $105.00 or $100.50.
3x + 6y = -2......multiply by -5
15x + 30y = -10
--------------------
-15x - 30y = 10 (result of multiplying by -5)
15x + 30y = -10
--------------------add
0 = 0
there are infinitely many solutions