Answer:
467 muffins
Step-by-step explanation:
143 + 211 + 113 = 467
52
13 = x/4
To isolate the x, you have to multiply 4 on each side.
x/4 * 4= x
13 * 4 = 52
x = 52
Let n = a number.
n - 11 = 12
n = 12 + 11
n = 23