Question

Nina already owns 2 necklaces, and additional necklaces are priced at 2 for a dollar. How much money does Nina need to spend on new necklaces in order to own a total of 6 necklaces? Write and solve an equation to find the answer.

Answer 1

Money required
`=\$ 8`

Explanation:

Nina already owns 2 necklaces and she wants to have total 6 necklaces.

Number of necklaces she needs more
`=6-2=4`

Price of
`1\ necklaces=\$2`

Let Nina needs
`\$ x` to buy
`4` more necklaces=

Money required to buy
`4\ necklaces`
`=cost\ of\ 1\ necklace* number\ of\ necklaces`

`x=2* 4\\x=\$ 8`