# Mary and Tina spent a total of $175 at the mall. Tina spent $10 more than twice as much as Mary. How much did tina spend?

##### 1 Answer

Apr 21, 2016

#### Answer:

I found

#### Explanation:

Call the amount of money spent by Mary and Tina as

substitute the second into the first:

solve for

so that for Tina we have: