Desmos Graphing Calculator

CalcReferenceCopy

Math·Algebra·Linear inequalities in one or two variables

easy

To win a trivia game, a player needs to earn at least 80 total points from responding correctly to questions in two rounds of play. Correct responses in the first round are worth 3 points each, and correct responses in the second round are worth 7 points each. Which inequality represents the situation where the player does not win the game, where $f$ is the number of correct responses in the first round and $s$ is the number of correct responses in the second round?

A

$f+s<80$

B

$3f+7s<80$

C

$7f+s>80$

D

$7f+3s>80$