Answer:
(x) =
Step-by-step explanation:
let y = f(x), then rearrange making x the subject
y =
x + 4 ( subtract 4 from both sides )
y - 4 =
x ( multiply both sides by 5 to clear the fraction )
5y - 20 = x
Change y back into terms of x with x =
(x) , then
(x) = 5x - 20
Answer:
8.1 gallons of gas
Step-by-step explanation:
240/9=216/x
simplify 240/9 into 80/3,
80/3=216/x
cross product
3*216=80*x
648=80x
x=648/80
x=8.1
Answer:
$0.35 per minute
Step-by-step explanation:
Rate in terms of unit price is something made in 1 unit (seconds, cups, minutes etc.)
per minute refers to<em> per 1 minute</em>
Answer:
The total amount of gross profit is 1,490,400
Step-by-step explanation:
1242000 x 1.20 =1,490,400
Hope I helped :)