Every day, Savannah's burrito stand uses 3 bags of tortillas. How many days will 3/4 of a bag of tortillas last?

Step-by-step explanation:

Set up a ratio.

3 bags/1 day = 2/3 bag/x day

Cross multiply to solve.

3x=2/3

So x=2/3(1/3)=2/9 of a day

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.