Question 2
A store sells regular and premium mooncakes. In one day it sold 120 cakes and received 3.6 million VND. A regular cake costs 25 thousand VND and a premium cake costs 40 thousand VND. How many premium cakes were sold?
The following source mathematical images preserve the printed option/formula/figure variants; text and choices above or below provide clean typesetting.
The following source mathematical images preserve the printed option/formula/figure variants; text and choices above or below provide clean typesetting.