2x+5y=21, x+y=3
y=3-x
2x+5y=21
2x+5(3-x) =21
2x+15-5x=21
2x-5x+15=21
-3x+15=21
-3x=21-15
-x=6/3
-x=2
x=-2
18 per adult, 9 per child total equals 2,475,00 and the hold of guest is 150
Answer:
1 2/3
Step-by-step explanation:
fraction calc :)
Answer:
D. 1,520 seconds
E. 1,580 seconds
Step-by-step explanation:
Options:
A. 1,420 seconds
B. 1,480 seconds
C. 1,500 seconds
D. 1,520 seconds
E. 1,580 seconds
Emily's homework is to read for more than 25 minutes every night.
1 minute = 60 seconds
25 minutes
seconds
more than 25 minutes is more than 1,500 seconds
Options D and E give you times that are greater than 1,500 seconds, options A, B and C give you times that are less or equal to 1,500 seconds.
Answer:
12.5
Step-by-step explanation:
x = 2.5
5( 2.5 )
12.5
hopefully this helps you out