We have been given the equation
It represents the number of people standing to catch a commuter train x hours after 5 A.M.
Now, in order to find the number of people in line at 7 a.m. , we need to substitute x= 2 in the above equation.
Therefore, the number of people in the line at 7 a.m. is 40
D id the correct option.
Answer:
1. z = 5, 2. w = 9
Step-by-step explanation:
1. 5z - 4 = 21
5z = 21 + 4
5z = 25
z = 25/5
z = 5
2. w/9 + 2 = 3
w/9 = 3 - 2
w/9 = 1
w = 1 x 9
w = 9
I hope this helps :)
Answer:
let the two numbers be x and y
x+y=45(equation 1)
x-y=5(equation 2)
from equation (1) y=45-x(equation 3)
substitute 45-x for y in equation 2
x-(45-x)=5
x-45+x=5
x+x-45=5
2x-45=5
2x=45+5
2x=50
x=50/2
x=25
Answer:
$219.99
Step-by-step explanation:
To find the price without the sale tax you find the opposite of 12%, which would be 88%. Then you multiply .88 by 249.99 to get 219.9912, and since it is money you round to the hundreth to get 219.99.
