Hi!
-9f + 19 - 1 + f is actually -8f + 18.
To do this we add like terms, -9f and f; and 19 and -1
-9f + f is -8f
19 - 1 is 18
Therefore your answer is -8f + 18
Answer: 56
Step-by-step explanation:
4=(a+b-24)/2
32=a+b
32+24=56
Answer:
65.94
Step-by-step explanation:
Answer:
Hello,
answer C
Step-by-step explanation:

Answer: 9,2
Step-by-step explanation:
a+c=11
a=11-c
22(11-c) + 15c = 228
242-22c + 15c = 228
-7c=-14
C = 2 (two children)
Remember how a + c = 11
a + 2 = 11
A= 9
9 adults, 2 children.