Mathematics question. Please help

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

Vanessa earns a base salary of $400.00 every week with an additional5% commission on everything she sells. vanessa sold $1650.00 worth of items last week.