54+x=12+3x
X=21 =number of classes
Total amount she will pay is $75
<span>2In4x= 2In8
ln(16x^2) = ln64
Multiply e by both sides.
16x^2 = 64
Divide both sides by 16
x^2 = 4
Take the square root of both sides.
x = 2</span>
56;/7=8
8x5=40
56:40
56 + 40= 96
she has 96 pens in total
Answer:
1.25 OR 1 1/4
Step-by-step explanation: