Answer:
2/10, 4/7, 1/3
Step-by-step explanation:
Your answer should be x = 2, -2
I ran it through a very reliable program.
The amount increased 4% from last year.
Step-by-step explanation:
Given,
Average cost last year = $625
Average cost this year = $650
Increase amount = Average cost last year - Average cost this year
Increase amount = 650 - 625 = $25
Percent increase = 

The amount increased 4% from last year.
Keywords: percentages, subtraction
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