Answer: x = -2
Step-by-step explanation:
Given:
Perimeter = 50 cm
=> 2 (2x+15)+ 2(3x+20) =50
=> 4x+30+6x+40=50
=> 10x= -20
=> x= -20/10
=> x = -2
Answer:
9
Step-by-step explanation:
13.50 - 3 = 10.50
1.20×8 = 9.60 = not enough
1.20×9= 10.80 = more than enough
She has to do 9 chores to have enough money including the 3 dollar she already has
The answer is for your homework is 3)
Answer:
Sara studied longer.
She studied longer by 15 minutes.
Step-by-step explanation:
Sebastian:- 3:15 - 4:45p.m
Sara :- 4:30 - 6:15p.m
For how long did Sebastian study?
4:45
-3:15
1:30
Proof:
1:30
+3:15
4:45
Sebastian studied for an hour and 30 minutes.
For how long did Sara study?
6:15
-4:30
1:45
Proof:
6:15 to min=375
4:30 to min=270
375-270=105
105 min to hour=1:45
Hope this helps ;) ❤❤❤
