Question

Tina sells lampshades for $7 each and paper lanterns for $4 each at a one-day craft fair. She sells k lampshades and (k + 4) paper lanterns. The expression 7k + 4(k + 4) represents Tina’s total sales.

Select all the equivalent expressions for Tina’s total sales at the fair.
A 8k+16 B 11k+4
» 11k+16 D 7k+4k+4
» 7k+4k+16. How is it equivalent?

Answer 1

4xk = 4K 4x4= 16 +4K + 7k = 16+ 11k ( I would double check me