SOLUTION: David and Jon are placing coffee orders for their friends.David orders 10 large cups of coffee.Jon orders 4 fewer large cups than David.Jon pays for his orders with a $50 bill.Jon
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Question 1146946: David and Jon are placing coffee orders for their friends.David orders 10 large cups of coffee.Jon orders 4 fewer large cups than David.Jon pays for his orders with a $50 bill.Jon wants to know how much he spent on coffee.
1)MAKE SENSE AND PERSEVERE-what is a good plan to find the amount Jon spent on coffee.
2)MODEL WITH MATH-find how much Jon spent on coffee.complete the bar diagrams.show the equations you used.
3)CRITIQUE REASONING- Jamie says the equation 0 x $2=$0 shows the amount Jon spent on small cups of coffee.Is he correct? Explain
4)REASONING- Would David have enough money if he paid his order with a $20 bill?Explain
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David orders 10 large cups of coffee.Jon orders 4 fewer large cups than David.Jon pays for his orders with a $50 bill.Jon wants to know how much he spent on coffee.
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David: Exactly 50 dollars for 10 large coffees -- 5 dollars per large coffee
Jon: large coffees, so at $5 per large coffee, the bill is $30.
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