Try this solution:
1. according to the condition
2. for more details see the attached graph.
Answer: [0;+oo)
Answer: D
Step-by-step explanation:
(3x3x8)/2 = 72
(18x18x8)/2 = 2592
2592/72=36 so the small one is 36 times larger than the small one.
30 students in a class, and 16 boys and 14 girls.
A ratio compares two quantities.
A) 14:16
B)16:14
C) 14:30
D)16:30
Answer:
Step-by-step explanation:
a + c = 92.....c = 92 - a
8a + 5c = 688
8a + 5(92 - a) = 688
8a + 460 - 5a = 688
3a = 688 - 460
3a = 228
a= 228/3
a = 76 <==== adults
a + c = 92
76 + c = 92
c = 92 - 76
c = 16 <=== children
