Question

Ms. Roman spent $210 to buy 3 jewelry boxes and 3 necklaces as gifts. Each jewelry box cost $20. Each necklace cost the same amount. Which expression can be simplified to find the cost of each necklace? 210 = 3 + 20​

Answer 1

70-20=x

Explanation:

210=3*20+3*necklace

3*necklace=210-3*20

necklace=70-20