Fred made fudge brownies and peanut butter brownies. Each batch of fudge brownies makes 3 pans. Each batch of peanut butter brownies makes 9 pans. Fred made 22 batches and ended up with 186 pans of brownies. How many batches of each type of brownie did he make?

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Ответ:

lisamccray45

21.10.2020

Mathematics

11, 6.5 ft

Step-by-step explanation:

Given

The length of the roll is $100\ ft$

The length required for a pump is $8\ \frac{1}{2}\ ft=\frac{17}{2}\ ft$

No of pumps(n) we get

$\Rightarrow \dfrac{100}{\frac{17}{2}}=11.76\ \approx 11$

length for 11 pumps

$\Rightarrow 11\times \frac{17}{2}=93.5\ ft$

The remaining length of the tube is

$\Rightarrow 100-93.5=6.5\ ft$

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