Answer:
3.207 x 
Step-by-step explanation:
12 x 16 = 192 square inches
X= 12
Add three on both sides to get rid of it
9+3 and -3 + 3 the three is negative because you drop the minus sign down
This cancels out the three and 9+3 is 12 so X=12
3+1.50n would be an expression for this
Answer:
a) 23.0769% increase
b) 9.375% decrease
Step-by-step explanation: