Answer:b
Step-by-step explanation: i tried it and worked
Y= 7.75x because 31/4 = 7.75 and 54.25/7= 7.75 so the amount he charges per hour is $7.75
Answer:
the square root of 78 is 8.83176
Step-by-step explanation:
√78 cannot be reduced
78√≈8.831760866327848
Answer:
$2 per pound
Step-by-step explanation:
The line intersect at an exact point at 2, 1
Inverse variation means y=k/x (direct variation is y=kx) so we can use the info given to find the constant k
y=k/x
6=k/900
k=6(900)
k=5400 so the equation is:
y=5400/x or more accurately for this problem
t(v)=5400/v then:
t(800)=5400/800
t(800)=6.75 hours