richard goes to the electronics store.he buys 2 memory cards that cost 8.99 each and 3 packages of batteries that are on sale for 7.47 each. he also buys a case for his cell phone for 2.99 and a wireless headset for 29.99. what is the total cost of richards items before sales tax?
2m + 3b + c + h m = 8.99, b = 7.47, c = 2.99, h = 29.99 2(8.99) + 3(7.47) + 2.99 + 29.99 17.98 + 22.41 + 2.99 + 29.99 the answer is $73.37 before sales tax
