Answer:
45
Pencils: 18
Pens: 27
Explanation:
for every 2 pens there is 3 pencils
to have 18 pens ou multiply by 9
what you do to one you do to the other so just multiply the pencil by 9 so,
9 x 3 = 27
there is 18 pens and 27 pecils
PENS AND PENCILS:
18 + 27 = 45