Answer:
Should be 530.55 total that week
And 80.55 in commissions
-2 (-30) - 3y = 42
60 - 3y = 42
-3y = -18
y = 6
You didn’t include any other info of photo...
Given,
x
2
+
x
2
1
=98
(x+
x
1
)
2
=x
2
+
x
2
1
+2
98+2=100
∴x+
x
1
=10
(x+
x
1
)
3
=x
3
+
x
3
1
+3(x+
x
1
)
x
3
+
x
3
1
+3(x+
x
1
)=1000
x
3
+
x
3
1
=1000−3(10)=
244/60=4.06666666
So 4 groups
