3. In August, Cory begins school shopping for his triplet daughters. One day, he
bought 10 pairs of socks for $2.50 each and 3 pairs of shoes for d dollars each.
He spent a total of $135.97. What does d equal

Step-by-step explanation:

Here , we have In August, Cory begins school shopping for his triplet daughters. One day, he  bought 10 pairs of socks for $2.50 each and 3 pairs of shoes for d dollars each.  He spent a total of $135.97. We need to find What does d equal . Let's find out:

One day, he  bought 10 pairs of socks for $2.50 each

Following is the equation for this info:

⇒

⇒

3 pairs of shoes for d dollars each

Following is the equation for this info:

⇒

⇒

He spent a total of $135.97

Following is the equation for this info:

⇒

⇒

⇒

⇒

Therefore , .

answer: the answer is 35%