X = 7
8(7) = 5(7) + 21
56 = 35 + 21
56 = 56
There is one cake
It is divided among x family members, so each gets:
1/x
The father took 1/5 which is 4 times greater than each one's piece. So:
1/5 = 4(1/x)
1/5 = 4/x
x = 20
There are 20 family members so the answer is none of these
Answer:
10
Step-by-step explanation:
Answer:
Line b and c
Step-by-step explanation:
Answer:
it's the second one
Step-by-step explanation:
