The granola summer buys used to cost $6.00 per pound, but it has been marked up 15%. How much in dollars and cents will summer p
1 answer:
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Answer:
$1.70
Step-by-step explanation:
Let the number of nickels be .
Thus, by the problem statement, the number of dimes is [/tex] 8 \cdot x = 8x. [/tex]
Therefore, there are coins in total. To find what
is, we need to solve the equation
This can be done by dividing both sides by
which gives
. Plugging these values in tells us that there are
nickels and
dimes. (Test it out!) Thus, the nickels are worth
cents and the dimes are worth
cents, so in all, you have
cents which is $1.70.
Hope this helps :)
Given Equation
Step by step expansion:
Reason:
(a + b)(a - b) = a²- b²
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