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3. Kate puts $2 in her piggy bank and Ryan puts $3 in his piggy bank every
week.

week Kate Ryan

123

246
369

How much will Kate have in her piggy bank when Ryan has $15?

4. Thomas created a chess club. In the first month, there were 4
members. The table below shows the number of members in the
following months.

Second Month 8
Third Month 12
Fourth Month 16

If the growth continues in this pattern, how many members will there be
after the sixth month?
   217   218   219   220   221   222   223   224   225   226   227