5(4x - 10) + 10x = 4(2x - 3) + 2(x - 4)
20x - 50 + 10x = 8x - 12 + 2x - 8
30x - 50 = 10x - 20
30x - 10x = -20 + 50
20x = 30
x = 3/2 <==
Answer:
The ratio of 51:9 in it's simplest form is 17:3.
Answer:
the building would be 280 feet (judging on how this is worded.)
Step-by-step explanation:
you are already 100 meters from the base ( bottom) of the building so you add 180 as you are 180 ft from the top of the building. 100 + 180 is equal to 280.
Answer:
H. 40%
Step-by-step explanation:
18/30 = 60%
So 60% of kids have last names with more than 8 letters.
That means 40% of kids have last names with fewer than 8 letters.
(Because the percentages have to add up to 100)
Hope this helps! :)
