Problema Solution
iris wants to buy two necklace's ,one for her sister and one for herself. The necklace for her sister cost 42.00,and the one for herself costs 28.00 .the sales tax on the purchases is 8%. find the cost of iris's purchases
Answer provided by our tutors
the total cost = the cost + the sales tax
the total cost = (42 + 28) + 0.08(42 + 28)
the total cost = (42 + 28) (1 + 0.08)
the total cost = 70*1.08
the total cost = $75.6
the cost of Iris's purchases is $75.6.