We had $2800 left after spending 30% of the money that we took for shopping. How much money did we start with?
Pick one.
A) $3700  B) $4000  C) $4300  D) $4600  E) $4900
Let x be the amount of money we started with.   0.7x = 2800   x = 4000   The answer is $4000.
<result>B</result>
We had $2800 left after spending 30% of the money that we took for shopping. How much money did we start with?