Answer:
yes
Step-by-step explanation:
y + 4 = 12
Subtract 4 on both sides,
y + 4 - 4 = 12 - 4
y = 8
Well, notice the picture below
recall cosine is adjacent over hypotenuse
what's the hypotenuse? well, you can just use the pythagorean theorem to get "c" or hypotenuse
100 pens cost x dollars.
Therefore 1 pen costs
x/100 dollars/pen
50 cents = 0.5 dollars. It can purchase
(0.5 dollars) / (x/100 dollars/pen)
= 50/x dollars
Answer: 50 cents can purchase 50/x pens
I think the answer is B, sorry if I'm wrong