Step-by-step explanation:
x=1.25y
perimeter= 2width+2length
olivias p=ryan's p so:
Ryan's p= 2*1.25 Ryan's width+ 2Olivias length
Olivias length= (2,5Ryan's width- Ryan's p)/2
360/0.96 or 510/1.44
360/0.96
0.96/360
.........3.76
_________
96/36000
......288
___________
.........720
.........672
_________
...........580
............576
_________
.................4
___________
510/1.44
............354
____________
144/ 51000
.........432
________
780
720
---------------
600
576
------------------
24
360g at $0.96 is best deal
Answer:
12 years old.
Step-by-step explanation:
1) 2x+x=18
2) Now solve 2x+x=18
Add alike terms
3x=18
Now divide both sides by 3 (3x/3 and 18/3)
x=6
So Hannah is 6 years old. Her sister must be 12.
Answer:
the answer is 175
Step-by-step explanation:
you will do 2500*7/100
5km = 5000 meters
450m+800m= 1250m
5000m-1250m= 3,750m
3 3/4 km
