# Do Now “The Business of Michael Jordan is Thriving on Ebay ” 12/18/14 www.forbes.com 1)Solve to find out how much the annual sales in millions of Jordan.

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Do Now “The Business of Michael Jordan is Thriving on Ebay ” 12/18/14 www.forbes.com 1)Solve to find out how much the annual sales in millions of Jordan products are on eBay. 1)LeBron James is the 2 nd best selling athlete. Calculate his online sales in millions: x - 28.92 = 13.08 3) The annual Apple iPad market sells this amount on eBay last year. 5.5r = 1089 4) Find the difference of earnings between Apple & Jordan. 1) \$175 million2) \$42 million3) \$198 million4) \$23 million

1/12/15 6-3 B Solve & Write 2-Step Equations

two-step equation- an equation with 2 different operations – To solve- undo the operations in reverse of the OoO – S/AD/MEP

Steps to Solve a 2-Step Equation 1 Undo the addition or subtraction 2 Undo the multiplication or division 3 Check

Example 1 Solve 6p – 2 = 4. Check your solution. 6p – 2 = 4Write the equation. + 2 = + 2Undo the subtraction by adding 2 to each side. 6p= 6Simplify. Divide each side by 6. p= 1 The solution is 1.

Check 6p – 2 = 4Write the original equation. 4= 4This sentence is true. 6(1) – 2= 4Replace p with 1. ? 6 – 2= 4Simplify. ?

Example 2 Solve 5 + 8t = 45. Check your solution. 5 + 8t = 45Write the equation. – 5= – 5Subtract 5 from each side. 8t= 40Simplify. Divide each side by 8. t= 5 CheckSince 5 + 8(5) = 45, the solution is correct.

Example 3 Solve 5x – 4 = 16. Check your solution. 5x – 4 = 16Write the equation. + 4 = + 4Undo the subtraction by adding 4 to each side. 5x= 20Simplify. 5 5 Divide each side by 5. p= 4

Check 5x – 4 = 16Write the original equation. 16= 16This sentence is true. 5(4) – 4= 16Replace p with 4. ? 20 – 4= 16Simplify. ?

Example 4 You want to rent a golf cart. The cost to rent a cart is \$8 per hour and there is a one-time fee of \$6 to rent a helmet. You have \$38. Write and solve an equation to calculate how long can you rent the helmet and golf cart?

6 + 8b = 38Write the equation. – 6 = – 6Subtract 6 from each side. 8b = 32Simplify. Divide each side by 8. b= 4 hours

6+ 8b= 38Write the original equation. 38= 38This sentence is true. 6 + 8(4)= 38Replace b with 4. ? 6 + 32= 38Simplify. ? Check

Exit Ticket 1)3c + 14 = 23 2)9v − 8.1 = 9.9 3)1.9 + 6p = 7.9 4) 5) 6.) Hyperion is a giant Redwood tree in California. The Empire State Building (1,250 ft) is about 113 feet more than three times the height of Hyperion. Write and solve an equation to find the height of Hyperion. 1) c = 3 2) v = 2 3) p = 1 4) x = 12 5) x = 24 6) 1250 = 113 + 3h 379 ft

1) a = 3 2) y = 2 3) m = 7 4) z = 50

Homework Pg. 348 #1-22 Evens Test on Wednesday- Start Studying Unit Test II on Friday.

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