Respuesta :
Amount he had in the bank after 10 months = 10 * 92.50 - 10 * 36.50
= 10 ( 92.50 - 36.50) = $560
Half of this = $280 dollars (answer)
Its B
Hi!
92.50 * 10 = 925
36.50 * 10 = 365
925-365 = 560
560/2 = 280
He used $280 to go to summer camp.
Hope this helps! :)
-Peredhel