Answer:
the cost of one hot chocolate is $2.
Step-by-step explanation:
Let x be the hot chocolate cost and y be the newspaper cost.
Given:
A newspaper and three hot chocolates cost $7
So, the equation is
--------(1)
Two newspapers and two hot chocolates cost $6
So, the second equation is.
---------(2)
Find one hot chocolate cost?
Solve equation 1 for y.


Put y value in equation 2





negative sign is cancelled both side.


Therefore, the cost of one hot chocolate is $2.
Answer:
It is xy
Step-by-step explanation:
The correct answer is true. To maintain your body temperature, your body converts chemical potential energy into thermal energy. The human body converts the energy stored in the food into some other energy specifically thermal energy.
Answer:
$240
Explanation:
12 × 8 = 96 _________ area in square feet
96 × 2.50 = 240 _________ in dollars
I believe the correct answer is B