Solve Problems Using Linear Equations

Interactive macro-enabled MS-Excel spreadsheet. Contents: Find unknown №s involving consecutive odds, evens or multiples. Find the № of goals scored by three friends given their total goals. Find the age of three members of a family given their total age. Find three unknowns given sum Σ of multiples of them in a table. Find one unknown given four cells of an algebraic pyramid puzzle. Find one unknown given the algebraic sides of a shape & its P or A. Find № of mints m in a bag given a fraction or % of them are eaten. Find each film’s duration given a fraction, % & length of a trilogy. Find the age of Grampa & his grandson given a scale factor & time. Find the № of boys & girls given two ratios & № who leave or arrive. Find № of sweets x in a bag given bags & loose sweets on scales. Find fuel tank capacity C given two fractions or %s & litres added. Find the № of pupils in 2 houses before & after some move house.