Question

She bought 10 watermelons costing 900 rupees and 7 melons costing 490 rupees
Write down the difference between the cost of melon and watermelon with a numeric expression.
I will mark you brainleist but you have to write the correct answer and fastly

Answer 1

Cost of 10 watermelons=Rs900

Cost of 1 watermelons=Rs900/10=Rs90

Cost of 7 melons=Rs490

Cost of 1 melon=Rs 490/7=Rs 70

Difference between cost of watermelon and melon = Rs90- Rs70=Rs20