Sum means addition so the equation is x+5=14
To get the answer, just do 14-5 and the answer is 9
Simply just divide there total investment for pizza with the cost for one small pizza 1100/4=275
275 Small pizzas were sold
40% from 25 is:
25 * 40% =
= 25 * 40/100 =
= 25 * 4/10 =
= 25 * 0,4 =
= 10
Another way is to find 1% of 25 and then multiply it by 40:
25 * 40% =
= (25 / 100) * 40 =
= 0,25 * 40 =
= 10
