Question

Rachel is practicing for long-jump competition against her teammates. She gets $5$ points for landing over the closer line and $10$ points for landing over the farther line. If she has total of $7$ jumps, out of which she landed $x$ times over the farther line and the rest of the times over the closer line, then the total score of Rachel is

• A. $10x$
• B. $5x+35$
• C. $10x+5$
• D. $70-5x$

Answer 1

Answer: (B)

$5x+35$

The required score will be $S=10\left(x\right)+5(7-x)=x(10-5)+35=5x+35$.