Answer:
<u><em>x = 16</em></u>
Step-by-step explanation:
<em>(x + 1)² = (x - 3)² + 120</em>
<em>x² + 2x + 1 = x² - 6x + 9 + 120</em>
<em>8x = 128</em>
<em>x = 16</em>
Did you mean he paid $90 or do you mean the cost was reduced $25?
Answer:
2,400
Step-by-step explanation:
however your question does not make sense
Answer: true
Step-by-step explanation: because i learned last year in my accelerated math class about this and we did a quizlet on it and it had a question like that on the quiz.
Quantity of cheerios cereal in the smaller box Hannaford sold = 9 ounces
Cost of nine ounces of cheerios cereal = $2.50
Cost of one ounce of cheerios cereal :
Cost of one ounce of cheerios cereal in the smaller box = $0.27
Quantity of cheerios cereal in the larger box Hannaford sold = 20 ounces
Cost of nine ounces of cheerios cereal = $3.79
Cost of one ounce of cheerios cereal :
Cost of one ounce of cheerios cereal in the larger box = $0.18
Difference in their cost per ounce :
Therefore, the difference in cost in dollars per ounce between the two sizes = $0.09