Answer:
5
Step-by-step explanation:
2/3 of 12 equals 8. 8 - 3 = 5
Make it into a simultaneous equation:
5p + 4e = 7.65
4p + 5e = 7.20
Use adding/subtracting formula
The cost of an eraser is $1.44
See attached file for the solution/explanation to the 12 questions.
Step-by-step explanation:
Answer:
Closed circle at 4 and shade to the left :)
Step-by-step explanation: