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Day 6: Multi-Step and Word Problems. Warm-Up #1 . 1. Write an equation and solve the word problem: At Bits-N-Bytes, you can buy computer games for $13 each and magazines for $4 each. If you purchased 3 games and 2 magazines what is your total cost? 2. S o lve: 3. Simplify: .
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Warm-Up #1 1. Write an equation and solve the word problem: At Bits-N-Bytes, you can buy computer games for $13 each and magazines for $4 each. If you purchased 3 games and 2 magazines what is your total cost? 2. Solve: 3. Simplify:
When all variables are eliminated, and a TRUE statement exists, your answer will ALWAYS be ALL REAL NUMBERS
When all variables are eliminated and a FALSE statement exists, your answer will ALWAYS be NO SOLUTION
Solve – Word problems from beginning • Two times a number n plus seven is equal to five less than six times the same number. Find the number. • At Burger World, a cheeseburger is $2.78. If two burgers plus 3 fries costs the same as one burger and 5 fries, find the cost of the fries.
4. You can buy used in-line skates from your friend for $40, or you can rent some. Either way, you must rent safety equipment. How many hours must you skate for the cost of renting and buying skates to be the same?
5. A hairdresser is considering ordering a certain shampoo. Company Curl charges $4 per bottle plus a $10 shipping fee. Company Perm charges $3 per bottle plus a $25 shipping fee. How many bottles must the hairdresser buy for the cost to be the same? Company Perm Company Curl $3 per bottle + $25 fee $4 per bottle + $10 fee Let b = the number of shampoo bottles.