So the number of pencils bought can be represented by an equation:

, where n is the number of notebooks bought. Since Helen bought 5 notebooks, simply plug 5 into n:

. So Helen bought 12 pencils.
Similar figures are the same shape but not the same size. you can find out the scale by using parallel lines.
Answer:Yes
Step-by-step explanation:
Answer:
sorry i dont understand either!!!
Step-by-step explanation: