Step-by-step explanation:
10X+ 180= 500
10X= 500-180
10X= 320. .....divine both sides by 10 to solve for X
X = 32.
check
10(32)+180 = 500
320+180 =500
500 =500...confirmed
To do this multiply the three numbers together. 20 times 15 is 300 and 300 times 10 is 3,000. So the volume would be 3,000 feet cubed.
There were 45 markers originally in each box.
Step-by-step explanation:
Given,
Boxes ordered = 3 large boxes
Markers given to one teacher = 15
Markers given to 3 teachers = 15*3 = 45 markers
Remaining markers = 90
Let,
x be the original number of markers in 3 boxes.
Total markers - markers given to teachers = markers left
There were 135 markers in 3 boxes.
3 boxes = 135 markers
1 box =
There were 45 markers originally in each box.
Keywords: multiplication, addition
Learn more about multiplication at:
#LearnwithBrainly
Answer: 3
Step-by-step explanation:
Area = 1/2(base x height)
1/2(10(x + 4)) <= 56
5(x + 4) <= 56
x + 4 <= 11.2
x <= 11.2 - 4
x <= 7.2
Therefore, possible integer values of x are {1, 2, 3, 4, 5, 6, 7}