Question
A science book costs thrice as much as a marker. Yoko paid $3.50 for 2 books and 1 marker. Find the cost of 1 marker. Give your answer in dollars.
4 m

Click button first when a symbol is required. X

A science book costs thrice as much as a marker. Yoko paid $3.50 for 2 books and 1 marker. Find the cost of 1 marker. Give your answer in dollars.