5.  You finally get an allowance! You put $2. away in January, $4. away in February, $8. away in March, $16 away in April and followed this savings pattern through to December. How much money do you have in 12 months?

6.  Sam gave Jen 1/2 of his jujubes. Jen ate 1/2 of the jujubes and gave the rest to Kyle. Kyle kept 8 of the jujubes and gave the last 10 to Kim. How many jujubes did Jen eat?