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Mathematics 19 Online
OpenStudy (anonymous):

I have some Unit Rate math questions, is anybody willing to help? :)

OpenStudy (anonymous):

show us the question

OpenStudy (anonymous):

A coffee pot makes 6 cups of coffee in 1 and 1/2 min. How many cups of coffee can the coffee pot make in 1 min? ____cups

OpenStudy (anonymous):

6 cups --> 90 sec. x cups --> 60 sec. 6*60 = 90*x x = 4 cups

OpenStudy (anonymous):

Thank you! :) DO you mind helping with more?

OpenStudy (anonymous):

no problem :) show me

OpenStudy (anonymous):

Dora can run 3/5 mi in 3/20 h. How far can she run in 1 h? ___mi

OpenStudy (anonymous):

3/5 mi --> 3/20 h x mi --> 1 h x*(3/20) = 1*(3/5) x = 4 mi

OpenStudy (anonymous):

that is simply proportion

OpenStudy (anonymous):

Thank you!

OpenStudy (anonymous):

It takes 1/8 tsp of baking soda to make 4 dozen cookies. How many teaspoons of baking soda does it take to make 1 dozen cookies? __/__ tsp

OpenStudy (anonymous):

1/8 tsp --> 4 x tsp --> 1 x = 1/32

OpenStudy (anonymous):

:D

OpenStudy (anonymous):

A conveyor belt moves 450 ft in h. Complete the unit rate. ft/h

OpenStudy (anonymous):

i don't understand this one haha

OpenStudy (anonymous):

what it wants?

OpenStudy (anonymous):

i think you forgot to write the hour "[...] 450 ft in ? h."

OpenStudy (anonymous):

3/8 hours. lol

OpenStudy (anonymous):

@M4thM1nd

OpenStudy (anonymous):

Okay, you have: 450 ft --> 3/8 h x ft --> 1 h x = 450/(3/8) x = 720 ft, so... 720 ft/h

OpenStudy (anonymous):

A CD makes 58 1/2 revolutions in 3/4 min. Complete the unit rate. revolutions/min

OpenStudy (anonymous):

@mathslover

OpenStudy (anonymous):

@mathmath333

OpenStudy (mathmath333):

\(\large \begin{align} \color{black}{58\cfrac{1}{2}\rightarrow \dfrac{3}{4}~min \hspace{.33em}\\~\\ \dfrac{3}{4}~min\rightarrow 58\cfrac{1}{2} \hspace{.33em}\\~\\ 1~min\rightarrow \dfrac{4}{3}\times 58\cfrac{1}{2} \hspace{.33em}\\~\\ }\end{align}\) calculate further

OpenStudy (anonymous):

78? :)

OpenStudy (mathmath333):

\(\Huge \begin{align} \color{green}{\checkmark \hspace{.33em}\\~\\ }\end{align}\)

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