7th person that walked in would be 66 years old
<span>Equation:
train distance + plane distance = 1300 miles
50x + 275x = 1300
x(325) = 1300
x = 4 hours
4x2=8
---
The trip took 8 hrs.</span>
Combine like terms:
3 x 2 - 2x + 7 - 57 - 4x + 10
-34 - 6x
Answer:

Step-by-step explanation:
Given

for every 3
Required
Determine the function that represents Jessie's daily earnings:
From the question, we have that:
y = earnings
x = phones
If for 3 phones, he gets 10.
i.e.:
3 pieces = 10
then
----- By dividing both sides by 3
and
----- By multiplying both sides by x
The above expression represents the additional earnings for x phones
So, daily earnings y is calculated as :

