<span>For this case the first thing we must do is define variables.
Whe have then:
x: payment of the person 1
y: payment of the person 2
We then have the following system of equations:
</span>

<span> We have then that the value of y is:
</span>

<span> Then, the cost of the food is:
</span>

<span>
Answer:
The cost of the food is:
130.5</span>
Answer:
its 66
79
2nd activity
it's 44
-32
Step-by-step explanation:
hope it helps
speed = distance/ time so:
(2/7) / (2/5) = (2/7) x (5/2) = 10/14 = 5/7 mph
5/7 = 0.71 miles per hour if you need decimal format
Answer:
a
Step-by-step explanation: