Answer:
$4
Step-by-step explanation:
30+20=50
50-48=2
2+20+=22
22-18=4
if she has 30 then gets 20 she has 50. Then she spends 48 dollars leaving her with only 2 dollars. She then makes another 20 dollars so she now has 22 dollars. She spends 18 dollars leaving her with 4 dollars.
Answer:
.6 gallons per minute
Step-by-step explanation:
3/5=.6
Answer:
Step-by-step explanation:
9+10=19.
Replace the 0 in the ten with the 9.
Answer:
For maximum area, all of the wire should be used to construct the square.
The minimum total area is obtained when length of the wire is 10m
Step-by-step explanation:
For maximum, we use the whole length
For minimum,
supposed the x length was used for the square,
the length of the side of the square = x/4m
Area =
For the equilateral triangle, the length of the side = 
Area = 
Total Area =
+ 

, therefore it is minimum


x = 10.00m