a photograph measuring 8 cm by 10 cm costs 440 naira. what will be the cost of an enlargement measuring 20 cm by 25 cm?

In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

What is the sum of these mixed numbers 4 2/3+ 3 1/9

Ineed to know how to write question one in mathematical terms