Answer: probably 4 cards each person
Step-by-step explanation:
1 Subtract
9
y
9y from both sides
4
x
=
6
3
−
9
y
4x=63−9y
2 Divide both sides by
4
4
x
=
6
3
−
9
y
4
x=
4
63−9y
3 Factor out the common term
9
9
x
=
9
(
7
−
y
)
4
x=
4
9(7−y)
Done
The answer would be D. because there seven family plus same amount they have
10% of 55 is 5.5
You could divide 55 by 10 to get 5.5 or multiply 55 by the decimal representation of 10% which is .1
.1 x 55 = 5.5
55 / 10 = 5.5