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Verizon [17]
3 years ago
12

A machine produces 75 widgets an hour. How many widgets does it produce in 6 minutes

Mathematics
2 answers:
Pachacha [2.7K]3 years ago
8 0

we know that

A machine produces 75 widgets an hour

How many widgets does it produce in 6 minutes?

one hour is equal to ------> 60\ minutes


by proportion

\frac{75}{60}  =\frac{x}{6}   \\\\  60*x= 75*6\\\\  x=\frac{75*6}{60}

x=7.5\ widgets

therefore

<u>the answer is</u>

A machine produces 7\ widgets in 6 minutes

inn [45]3 years ago
5 0
75/60 is 1.25 and 1.25 times 6 is 7.5 but you can't produce a half widget so it is just 7
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\left \{ {{ \frac{3}{8}x+ \frac{1}{3}y  = \frac{17}{14} } \atop {x+7y=8}} \right.

To solve this system by substitution, first isolate x in the second equation.

x+7y=8
x+7y-7y=8-7y
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Now, plug this expression (8-7y) for x in the top equation to solve for y.

\frac{3}{8} (8-7y)+ \frac{1}{3} y= \frac{17}{14}
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Now that you have y, plug it into the second equation and solve for x.

x+7y=8
x+7(1)=8
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Last step is to plug your x- and y-values in to both equations to check your work.

\frac{3}{8} (1)+ \frac{1}{3} y= \frac{17}{24}

\frac{3}{8} * \frac{3}{3} = \frac{9}{24} ;  \frac{1}{3} * \frac{8}{8} = \frac{8}{24}

\frac{9}{24} + \frac{8}{24} = \frac{17}{24}  <--True

1+7(1)=8
1+7=8   <--True

Answer:
x=1 \\ y=1
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