The very top line in increased by 10%
Answer: 19 coins
Step-by-step explanation:
38-19=19
To check, take any one of the nubers and replace it with x, and when you solve for x. you'll get that number back. For example:
Let x represent the amount used to buy a notebook
19+x=38
x=38-19
x=19
Id say C.....estimating what the square root of 8 is.....
sq rt of 4 = 2
sq rt of 8 = 4
so, it's somewhere between 2 and 4......
