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Mathematics, 10.11.2019 20:31 jack487

In a sweet shop you can buy packets of mints for 20p each and bars of chocolate for 30p each. the total cost of m packets for mints and c bars of chocolate is given by the formula t=20m +30c

use this formula to calculate the cost if:

m=2 and c=1
m=8 and c=0

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