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Mathematics 21 Online
OpenStudy (anonymous):

on a particular saturday 60%of the visitors to an art museum were studenys. if 144 students visited the museum ,how many total visitors did the art museum have that day?

OpenStudy (campbell_st):

well you know 60% = 144 find 10% then multiply the answer by 10 to get 100%

OpenStudy (anonymous):

thank u

OpenStudy (anonymous):

From what campbell said. \[144\div6=?\]\[?\times10=?\]

OpenStudy (anonymous):

Do you already know the answer?

OpenStudy (anonymous):

240

OpenStudy (anonymous):

Yup.

OpenStudy (anonymous):

And, welcome to OpenStudy.

OpenStudy (anonymous):

Thanks for the medal. You just raised my SmartScore :)

OpenStudy (anonymous):

ur welcome

OpenStudy (anonymous):

Sabina had 40 dollars. she paid d dollars for lunch and 0.5d dollars for a snack. what expression shows the amount she has left?

OpenStudy (anonymous):

pleaseeee help

OpenStudy (campbell_st):

well its money left = 40 - d - 0.5d just simplify the d's on the right hand side... for the answer..

OpenStudy (anonymous):

thanx

OpenStudy (anonymous):

:)

OpenStudy (anonymous):

howdo you find the surface area

OpenStudy (anonymous):

Of what shape?

OpenStudy (anonymous):

of a triangular prism

OpenStudy (anonymous):

Type " Surface area of triangular prism" into Google. Then fill out the calculator.

OpenStudy (anonymous):

i don't understand what to type in

OpenStudy (anonymous):

Doesn't it give you a little box where you can type the lengths of each side. Just fill it out accordingly.

OpenStudy (anonymous):

OpenStudy (anonymous):

can you help me pleazzzzz

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