Answer:
8.
60 * 2 + 30 = 150km
225 - 150 = 75km
50km/h and 75km, so 1.30h
1.30 + 2.30 + 0.10 = 4.10h
Im not very good at english so I dont know how to explain...
9.
1.30 - 47 = At 12.43
Answer:
d. 4c + 11d + 15
Step-by-step explanation:
This is a pretty simple combining like terms problem.
10c - 6c = 4c
3 + 12 = 15
7d + 4d = 11d
Therefore, our expression will be 4c + 11d + 15.
Answer:
240 students
Step-by-step explanation:
Grade 7 : Grade 8 = 5 : 3
Number of seventh grade students = 5x
Number of Eighth grade students = 3x
3x = 90
x = 90÷3
x = 30
Total students = 5x + 3x = 8x = 8 * 30 = 240
An equation for the gym membership could be
24 + 24x =
x = the number of months
Hope this helps
-AaronWiseIsBae
This would be a cylinder! Hope I was helpful :)