what is the answer too: Mrs Jones decides to buy Christmas presents for her nieces and nephews in the museum. She buys:
k sets of dinosaurs, 7 dinosaurs in each set.
s sets of sharks, 5 sharks in each set.
v sets of wild animals, y animals in each set.
Write an algebraic expression for the number of toy animals Mr Jones carries in his backpack on the
way to the London train station.