Answer:
Step-by-step explanation:

D = {x E R/ x ≠ 1 and x ≠ - 1}
I Hope I've helped you.
Answer:
Step-by-step explanation:
hey
X*80+y*60= 50*74
x +y =50 | * ( -60)
80x + 60y= 50*74
-60x - 60y=-50*60
---------------------------
20x= 50*(74-60)=50*14
x=50*14/20=35 pounds of 80 cents tea
y=50-35=15 pounds of 60 cents tea
ANSWER
She can make 19 batches of oatmeal.
EXPLANATION
First we can change the mixed number into an improper fraction:

In this problem, r = 2/3. The division is:

Using the KFC rule:

Solving we can see that the denominator of the first fraction can be simpliied with the numerator of the second fraction:

Tyra can make 19 batches of oatmeal with 12 2/3 cups of sugar.