Selling price=620(1-0.30)(1-0.15)(1-0.05)
selling price = 620(.7)(.85)(.95) = 350.46
Because 6 times 9 is 54, To make it longer they just multiplied then added. They multiplied 6 times 5 which is 30 then multiplied 6 times 4 then added the two which equal 54.
Answer:
11.18
Step-by-step explanation:
Is it 17.75 cuz what i got