$2$

Question $18$

$18.$ In March, John's bicycle shop sold $50$ bikes at $$150$ each, and the shop brought $100$ bikes at $$65$ per bike at the beginning of the month. What is the bike shop in March

$43\mathrm{.}4\%$

$86\mathrm{.}7\%$

$56\mathrm{.}7\%$

$13\mathrm{.}3\%$