Question

6. A strawberry cake costs 28 more than a pineapple cake. Ritika bought 4 strawb
cakes and 4 pineapple cakes. She paid 616 for 8 cakes altogether. How much
each pineapple cake cost?​

Answer 1

Answer:

Let us suppose the cost of 12 kg onions is x rupees.

The number of onions and their cost vary in direct proportion.

∴7140=12x⇒x=12×1407

= 240 rupees

Hence, the cost of 12 kg onions is 240 rupees.