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Randy paid $16 in all for 11 postcards.
How many two-dollar postcards did he buy? How many one-dollar postcards did he buy?

 Apr 16, 2021

Best Answer 

 #1
avatar+31412 
+2

t = two dollar cards                 cost = 2t

n = one dollar cards = (11-t)   cost = 1(11-t)      summed = 16 dollars

 

 

2t       +    (11-t)        = 16              can you take it from here?   Solve for  't'   then one dollar cards = 11- t

 Apr 16, 2021
 #1
avatar+31412 
+2
Best Answer

t = two dollar cards                 cost = 2t

n = one dollar cards = (11-t)   cost = 1(11-t)      summed = 16 dollars

 

 

2t       +    (11-t)        = 16              can you take it from here?   Solve for  't'   then one dollar cards = 11- t

ElectricPavlov Apr 16, 2021

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