bewellplus.gsu.edu
erinmcg16 erinmcg16
  • 29-11-2015
  • Mathematics
Answered

A drink costs x pence

A cake costs 7 pence more than a drink

The total cost of two drinks and a cake is 97 pence

Form an equation in x and solve it to find the cost of a cake

Verified Answer :

cebw12
cebw12 cebw12
  • 29-11-2015

2x + x + 7 = 97
Simplify:
3x + 7 = 97
Subtract 7 from both sides:
97 - 7 = 90
3x = 90
Divide both sides by 3
90/3 = 30
The cost of one drink is 30 pence.

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