400 tl maaş alan bir işçi 1200 tl sini kredi kartına ödüyor buna göre maaşın yüzde kaçını kredi kartına ödemiştir

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Ineed no it anyone can see this

Extra points! find the missing dimension! need asap