HELP ASAP MY MOM MAD
Liz wanted to buy a new book. When she checked the price last week, it was $12. This week, the same book was listed for $18. Write and solve an equation to show how much the book increased in price.
18 = p − 12; p = $30
2p = 18; p = $9
12 + p = 30; p = $18
18 = p + 12; p = $6