2 ice lollies and 2 choc ices = £2.90
2 cornets, 1 choc ice and 1 ice lolly = £3.45
1 ice lolly and 1 cornet = £1.60
How much does a choc ice cost?
ice lollies = y choc ices = x cornet = z
2*(x+y) = 2.9 x+y = 1.45
2z+x+y = 3.45 2z = 2(subtituting x+y as 1.45) z = 1
y+z = 1.6 y = 0.6 (z = 1)
x+y = 1.45 x = 1.45-0.6 x = 0.85
Ican write a system of three equations 2x + 2y = 2.90 2z + x +y = 3.45 x + z = 1,60 Being x= ice lollies, y = choc ices, z= cornets Solving the system yields y = 0.85 The cost is 0.85 pounds
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