Answer:
55
Explanation:
To solve this set up a proportion. This proportion should be in part/whole form. This means to divide the part (aka 11) by the whole (aka the variable), additionally, 20% can be made into a fraction by dividing it by 100. So the proportion is
. Then, cross multiply. Once this is done the new equation is
. Next, divide both sides by 20. This gives you
, therefore 11 is 20% of 55.