In a gymnastics competition, an athletes final score is calculated by taking of the average technical score and adding
of the artistic score.
All scores are out of , and one gymnast has a
average technical score.
What does the gymnast need to have a final score of at least .
Write an equation.
\Let be the artistic score of the gymnast.
The equation is .
Find final score of at least .
(Original inequality)
(Multiply)
(Subtract
from each side)
(Apply additive inverse property:
)
(Divide each side by
)
(Cancel common terms)
So, the gymnast needs to have of artistic score to have a final score of at least
.
The gymnast needs to have of artistic score to have a final score of at least
.