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Number and Algebra, NAP-H2-39 SA

Soda cans are sold in three different ways at the supermarket.
 

 
What is the cheapest price that someone can buy 13 cans for?
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`$17.5`

Show Worked Solution

`text(Two six packs and a single can:)`

`text(C)text(ost)` `=(2 xx 8) + 1.50`
  `=$17.50`

 

`text(One ten pack and 3 single cans:)`

`text(C)text(ost)` `=(1 xx 14) + (3 xx 1.50)`
  `=14 + 4.50`
  `=$18.50`

Number and Algebra, NAP-D2-20

A service station sells bottles of water for $2 each.

It also has a special of 3 bottles for $5.

What is the lowest cost of 8 bottles of water?

`$10.00` `$12.00` `$14.00` `$16.00`
 
 
 
 
Show Answers Only

`$14.00`

Show Worked Solution

`text(Lowest cost of 8 bottles)`

`= (2 xx $5) + (2 xx $2)`

`= $14`