IGCSE REVISION NOTES The basic economic problem: scarcity and exercise of choice . IGCSE ECONOMICS Revision notes ig c s e e c o n o m i c s - Scarce resources & unlimited…
IGCSE REVISION 2 4m + n = 2 and 2m – 3n = 8 [ 4 marks] 2. Calculate the values of m and n that satisfy the simultaneous linear equations: 2 1 m - 3n = 10 5m + 6n = -8 […