It would be 10x5 + 3x8= 74
Answer:
need to spend $18 more in addition to $12
Step-by-step explanation:
Given: According to online music store, if you spend $30 or more, you receive 3 songs for free
To find: How much more money need to be spend in addition to $12 to receive three free songs
Solution:
Let x denotes amount to be spend in addition to $12 to receive three free songs
According to question,

Answer
if for 100% we have 20% and for $11350
11350×20÷100=$2270
mike will be borrowed $2270