There are 141 gold balloons and twice as many silver balloons. If the gold and silver balloons were added to 150 black balloons, how many balloons are there in total?
How many gold balloons are there? ** Gold = <<141=141>>141
How many silver balloons are there? ** Silver = 141 * 2 = <<141*2=282>>282
How many balloons are there in total? ** 141 + 282 + 150 = <<141+282+150=573>>573
How many balloons are there in total? ** There are 573 gold, silver, and black balloons in total.
#### 573