<u>Answer:</u>
- For 15 pens, the cost is $7.2
<u>Step-by-step explanation:</u>
<u>We know that:</u>
<u>Work:</u>
Divide the RHS:
- => 1 pen = 3.84/8
- => 1 pen = 0.48
Multiply the RHS:
- => 15 pens = 0.48 x 1
- => 15 pens = $7.2
Hence, <u>for 15 pens, the cost is $7.2</u>
Hoped this helped.

Answer:
What is the relationship between ∠BAC, ∠CAD, and ∠DAB? Express your answer in geometric terms.
Step-by-step explanation:
thats the answer word for word
PLATO
- x/9 - y/7 = 1
multiply through by 63:-
- 7x - 9y = 63 Answer