X - the number of pencils
y - the number of pens
She has twice as many pencils as she has pens.

Tom borrows a pen, so she has y-1 pens. Now she has ten less pens than pencils.

Set 2y and y+9 equal to each other:
She has 9 pens.
Answer:
49
Step-by-step explanation:
48+ 5 = 53 divided by = 49
<span>1.Multiply the bottom number of the fraction by the whole number.
<span>2.Simplify the fraction (if needed)</span></span>
Answer:
12.5lb
Step-by-step explanation:
5lbs+6lb=11lb
11oz+12oz=1.5lbs
11lb+1.5lb=12.5