" Ex."39." The cost of "4" rings and "2" bangles is "₹57200" .What "

The cost of 4 rings and 2 bangles is Rs 57200. What is the cost of 6 rings and 3bangles?

Ex.-4

Ex.-4

Ex-4

Ex-4

Ex-4

Ex-4

Susan bought a bangle weighing 7.4 grams and a necklace weighing 10.8 grams. She bought a ring also and the total weight of all three is 20 grams. What is the weight of the ring?

Mala has a collection of bangles. She has 20 gold bangles and 10 silver bangles. What is the percentage of bangles of each type? Can you put it in the tabular form as done in the above example?