$11.50 total - $1.50 fruit cup = $10.00 for two pancakes
$10.00 / 2 pancakes = $5.00 for each pancake
Answer:
16.7
Step-by-step explanation:
We can use the Pythagorean theorem, a^2 + b^2 = c^2.
a = 11
c = 20
11^2 + b^2 = 20^2
121 + b^2 = 400
b^2 = 279
b = sqrt(279) = 16.7
They can make 5 posters.
