Answer:
y = -2x + 4
Step-by-step explanation:
y = mx + b
m ---> slope
b ----> y-intercept
y = -2x + 4
Step-by-step explanation:
5kgthe following ratio in the simplest form
Let the number of hours she spent in baby- sitting is x
and the number of hours she spent in music lessons is y.
Now, we have been given that she worked a total of 18 hours. Hence, we have

And she made $139. Thus, we have

Substituting the value of y from equation 1 in 2, we get

Therefore, she spent 11 hours in baby-sitting.
Answer:
$1575
Step-by-step explanation:
70 % of his salary is 0.7 X 450 = 315
He gets it for 20 weeks
presuming the salary is monthly.
You do 315 X 5 = 1575 20 /4 = 5 months