Answer:
Replace
F
(
x
)
with
y
.
y
=
9
x
Interchange the variables.
x
=
9
y
Solve for
y
.
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y
=
x
9
Solve for
y
and replace with
F
−
1
(
x
)
.
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F
−
1
(
x
)
=
x
9
Step-by-step explanation:
you add them then divide the result (310)/(10) = 31 cards
Answer: 35%
Step-by-step explanation:
Given
Weight measured by Leo
Weight measured by the clerk
Percentage error is
Putting values