Lakisha had $10 dollar bills and $1 bills in her wallet. She used seven bills to buy a pair of shoes for $43. How many of each type of bill did she spend?

She spent 4 $10 bills and 3 $1 bills

Step-by-step explanation:

She used 7 bills and you have 3 $1 that makes the 3 of 43 then 4 $10 bills adds up to 40 so add 40 and 3 together you get the price of the shoes and if you add the 4 $10 bills and the 3 $1 bills you get 7