An item costs n dollars. If the price of the item increases by 25%, the new price can be represented by the expression n + 0.25n
2 answers:
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Answer:
91
Step-by-step explanation:
Mean is calculated as
mean =
let x be his test score of his last test , then
= 85 ( multiply both sides by 7 )
504 + x = 595 ( subtract 504 from both sides )
x = 91