Answer:
20/x
Step-by-step explanation:
speed = distance /time
x km/h is speed
20 km is distance
x= 20/t
t= 20/x
Y = -4/5 + 7, the 7 is the slope intercept and the -4/5 is the slope
Answer:
yes
The price of marked up candy is $6.00
perentage of mark up is 300%
let the marked up amount be represented as x
let 300% mark up be represented as 3x
the equatiopn for finding the price before markup
can be represented as 3x-x=$6.
2x=$6
x=$3.
Answer:

Step-by-step explanation:
Given the system of two equations:

Multiply the first equation and the second equation by 60 to get rid of fractions:

Now multiply the first equation by 4 and the second equation by 5:

Subtract them:

Substitute it into the first equation:

The solution is
Answer:
The answer is D
Step-by-step explanation: