Maria invited 4 of her friends over for a water balloon fight in the backyard. At the start of the game , Maria gave each of her friends 2 water balloons. she had one water balloon for herself. How many water balloons did they have altogether?
Maria had a total of 9 water balloons because if you multiply her total friends by 2 water balloons you'd get 8 and 8 plus the balloon she had for herself equals 9 in all
