Answer:
213 euros per month
Step-by-step explanation:
1dollar = 0.7306euros
thus $3,500 dollars can be found by a rule of three
dollar euro
1 ⇒ 0.7306
3500 ⇒ x
we find x as follows:
euros
She will pay 2,557.1 euros per year.
Dividing between the 12 months of the year:

Rounding to the nearest whole euro she will pay 213 euros per month.
It has one solution. when discriminant=0, tangent to the curve( means touches at one point ) hence one solution.
With the choices you gave, the answer to this question is the first statement, "2 loaves of bread and 4 batches of muffins''. I arrived with the answer through multiplying the amount of flour and sugar required for each loaf of bread and batch of muffins.
Answer:
the answer is 21.Here is how I know
I am going off the assumption that by "She used a cup of sugar" you mean that she used 1 cup of sugar. Since the model shows that her first step starts with 1.5, that means that she loses 1 cup, and moves 1 unit to the left. She is left with 0.5 cups of sugar.
B. She only moves 1 unit to the left.