Respuesta :

She needs 200 g of flour to make 12 small cakes.
200/12 = 50/3 g for one small cake.

50/3 * 18 small cakes = 300 g of flour in total.
first your answer is a question is 360, not 260

180 x 2 = 360

b)

200 g flour ------12 cakes
?   ....................18 cakes

180x 200 / 12 = 3600/ 12 = 300

answer

Sharon needs 300 g of flour to make 18 small cakes