Answer:
Equations:
--- Hot dog
--- Pretzel
Step-by-step explanation:
Represent hot dogs with H and Pretzels with P.
For Tina:
For Doug:
Solving for the price of both items:
We have:
--- (1)
--- (2)
Multiply (2) by 2
2 * ()
-------------------
--- (3)
Subtract (3) from (1)
----------------------
Solve for P
Substitute 1.25 for P in (2)
Collect Like Terms
Solve for H
I think that the answer is B
Answer:
8
Step-by-step explanation:
Since there are 3 (an odd number) ages, the median is the middle one. So, we know two of the ages are 10 and 15. In order for the mean of the three ages to be 11, their total must be 33. The total of the two known ages is 25, so the remaining one must be ...
33 -25 = 8
The youngest child is 8.
Answer:
Step-by-step explanation:
hello :
the point-slope formula is :
y - y_1 = m(x - x_1) the point is A(x_1 , y_1 ) , m : the slope
in this exercice : x_1 = -1 y_1 = 4 m = 3
so : y - 4 = 3(x +1) ...an equation for this line .
Answer:
I got x= 2.25
Step-by-step explanation:
