Respuesta :
If d in the equation is the cost of each book and each book is $3.50 the equation will look like this
42 - 5($3.50)
42 - 17.50
24.50
Once the equation is solved your left with the answer which is $24.50
Hope this helps! :)
42 - 5($3.50)
42 - 17.50
24.50
Once the equation is solved your left with the answer which is $24.50
Hope this helps! :)