2 cokes and 3 fries cost Dh 21.
3 cokes and 2 fries cost Dh 19.
What is the price of a coke?

The profit on 50 boxes of soap powder and 100 tubes of toothpaste is Dh 1050.
The profit on 75 boxes of soap powder and 300 tubes of toothpaste is Dh 2025.
What is the profit on one tube of toothpaste?

A farmer has a total of 150 tomato and cucumber plants.
Each tomato plant yields 4 kg of tomatoes.
Each cucumber plant yields 6 kg of cucumbers.
The total yield is 710 kg.
How many cucumber plants are there?

A furniture shop sold a total of 315 sofas and tables.
A sofa sold for Dh 2300 and a table for Dh 890.
The total sales were Dh 445 320.
How many tables were sold?