293 blue balloons were used for the decoration. If 100 more balloons are added, find the total number of balloons used.
In a party room, 20 workers decorate 70 tables. Each table is decorated with 10 silver balloons and 15 gold balloons. Which equation could be used to find x, the total number of silver and gold balloons needed to decorate all the tables?
To decorate 2,804 guests table, 7 white balloons and 7 blue balloons are required. How many balloons are required altogether?