Q:

Natalie likes to mail lots of postcards when she goes on vacation. In 2014 , the cost of a postcard stamp was $0.34. Part A:Natalie buys 10 postcard stamps. What is the total cost of the stamps?Part B:Natalie and her friends decide to buy 100 postcard stamps.What will be the total cost of the stamps?

Accepted Solution

A:
Answer:Part A: The total cost of 10 stamps  =  $3.4Part B: The total cost of 100 stamps  =  $34Step-by-step explanation:The cost of each postcard stamp = $0.34Part A: Number of postcard Natalie buys  =  10So, the cost of 10 postcard stamps  =  10 x Cost of each stamp                                                               = 10  x ($0.34)  = $3.4or, the total cost of 10 stamps  =  $3.4Part B: Number of postcard Natalie buys  =  100So, the cost of 100 postcard stamps  =  100 x Cost of each stamp                                                               = 100  x ($0.34)  = $34or, the total cost of 100 stamps  =  $34