Which expression is equivalent to 75x – 25x.

C) 50x

D) x(75 - 25)

Explanation:

Use distribution to simplify:

x · 75 = 75x

x . 25 = 25x

75x - 25x

75x - 25x = 50x

C and D

Step-by-step explanation:

75x - 25x

75 - 25 = 50

Write in terms of x

50x

Find the options that match this answer

a: 50 (not always equal to 50x)

b: 100 (not always equal to 50x)

c: 50x (always equal to 50x)

d: x ( 75 - 25 ) = x ( 50) = 50x (always equal to 50x)

C and D are equivalent to the answer, 50x

Hope this helps :)

solution:

as, mean is defined as sum of all the observations divided by total number of observations.

and , median is mid value of the data whether arranged in ascending order or descending order.

consider, roadsters:

2,3,4,5,6,7,8,9

mean =

also, median= , because number of observations is even, so median is mean of two mid values.

now, coming to bandits

2,3,4,5,6

mean =  

median = 4, as number of observations is odd.

so, roadsters has greater median as well mean than bandits.

→option a is true about the repairs performed on 2 types of cars:

bandits have lower median and mean than roadsters.