SOLUTION: Hi susie and dominic had the same amount of money. She spent 0.7 of her money while he spent .2 of his. Dominic the bought 3 pens for 36 dollars and found that he had twice as mu

Question 1106810: Hi
susie and dominic had the same amount of money. She spent 0.7 of her money while he spent .2 of his. Dominic the bought 3 pens for 36 dollars and found that he had twice as much money left as the amount of money that susie had left. How much did they have altogether.
Thanks
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
she had 0.3x of her money left
:
x-36 = 2(0.3x)
:
x-36 = 0.6x
:
0.4x = 36
:
x = 90
:
susie and dominic had $180 together
:

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