Question 7
The beaver has the seven toys shown, each with its required number of batteries.
The requirements are: car 4, fan 1, torch 2, dinosaur 5, train 3, excavator 5, alarm clock 2. The beaver wants to choose three toys needing no more than seven batteries altogether. How many different choices are there?
The requirements are: car 4, fan 1, torch 2, dinosaur 5, train 3, excavator 5, alarm clock 2. The beaver wants to choose three toys needing no more than seven batteries altogether. How many different choices are there?