Answer:
200
Step-by-step explanation:
18 × 10 = 180
20 × 1 = 20
180 + 20 = 200
So, what is the total lenght of the pieces that wer cut off?
we multiply the lenght by the number:
4

*5=20+

=21

and we subtract this from the original pipe, that is
30

-21

we need to bring the two fractions to the same denominator (by multiplying the fraction art in the first by 3 and 4 the second):
30

-21

=9

so the correct answer is D!
Answer:
y54678
Step-by-step explanation:
vggndndhhcbcbfhfnnf
Answer:
length is 5
width is 4
Step-by-step explanation:
Answer:
5 2/7
Step-by-step explanation:
3 + 1 = 4
3/7 + 6/7 = 9/7 = 1 2/7
1 2/7 + 4 = 5 2/7