No, it isn't!
first, the discount is 20 percent of 18 dollars, that is 18/5=3.6
this means that during the first week the prize is 18-3.6=14.4
now, the prize is marked up 20 % of 14.4! this is 2.88
so the prize later will be 14.4+2.88, that is 17.28, not 18
what is relevant here is what a number is a percent OF
Answer:
x=4 and y=4
Step-by-step explanation:
From first function we have:

And from the second one:

Substitute them:

Associative Propety
(a + b) + c = a + (b + c)
38.1 seconds I believe simply divide 4m/s into 152.4 m and you will have 38.1 seconds
58-180=122 x=122 hope this helps have a nice nite!